This page provides a complete and updated list of Iowa ZIP Codes covering cities, towns, neighborhoods, and counties across the state. With over 1,000 USPS-verified ZIP Codes, this guide is designed to help users quickly find accurate postal codes for mailing, location identification, logistics, business registration, including address verification.
All ZIP Codes listed on this page are official United States Postal Service (USPS) codes, ensuring accuracy and reliability. Using incorrect ZIP Codes can lead to mail delays or delivery failures – this directory helps eliminate that risk.
For faster results, users are encouraged to search Iowa ZIP Codes by county. If you already know your county, this method allows you to easily view all related ZIP Codes along with their corresponding cities, towns, and neighborhoods.
Whether you are searching for a ZIP Code for business, relocation, shipping, or personal use, this Iowa ZIP Code directory offers a reliable and user-friendly solution.
| Quick Info About Iowa |
|---|
| State: Iowa State Capital: Des Moines State Capital ZIP Code: 50301 Country: United States Continent: North America |
| Quick Links |
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| List of IA ZIP Codes FAQ’s Previously: CT ZIP Codes |
List of ZIP Codes in Iowa State
| S/N | ZIP Code | City/Place | Neighborhood | County | State | Counry | Type |
|---|---|---|---|---|---|---|---|
| 1 | 50042 | Brayton | Audubon County | IA | US | Standard | |
| 2 | 51543 | Kimballton | Audubon County | IA | US | Standard | |
| 3 | 50510 | Albert City | Buena Vista County | IA | US | Standard | |
| 4 | 50565 | Marathon | Buena Vista County | IA | US | Standard | |
| 5 | 50568 | Newell | Buena Vista County | IA | US | Standard | |
| 6 | 50576 | Rembrandt | Buena Vista County | IA | US | Standard | |
| 7 | 50585 | Sioux Rapids | Buena Vista County | IA | US | Standard | |
| 8 | 50588 | Storm Lake | Lakeside | Buena Vista County | IA | US | Standard |
| 9 | 51002 | Alta | Buena Vista County | IA | US | Standard | |
| 10 | 51033 | Linn Grove | Buena Vista County | IA | US | Standard | |
| 11 | 50551 | Jolley | Calhoun County | IA | US | Standard | |
| 12 | 50575 | Pomeroy, Knoke | Calhoun County | IA | US | Standard | |
| 13 | 51449 | Lake City | Calhoun County | IA | US | Standard | |
| 14 | 50058 | Coon Rapids | Carroll County | IA | US | Standard | |
| 15 | 51401 | Carroll | Carroll County | IA | US | Standard | |
| 16 | 51430 | Arcadia | Carroll County | IA | US | Standard | |
| 17 | 51436 | Breda | Carroll County | IA | US | Standard | |
| 18 | 51440 | Dedham | Carroll County | IA | US | Standard | |
| 19 | 51443 | Glidden | Carroll County | IA | US | Standard | |
| 20 | 51455 | Manning | Carroll County | IA | US | Standard | |
| 21 | 51459 | Ralston | Carroll County | IA | US | Standard | |
| 22 | 51463 | Templeton | Carroll County | IA | US | Standard | |
| 23 | 50022 | Atlantic | Cass County | IA | US | Standard | |
| 24 | 50274 | Wiota | Cass County | IA | US | Standard | |
| 25 | 51535 | Griswold | Cass County | IA | US | Standard | |
| 26 | 51544 | Lewis | Cass County | IA | US | Standard | |
| 27 | 51552 | Marne | Cass County | IA | US | Standard | |
| 28 | 51005 | Aurelia | Cherokee County | IA | US | Standard | |
| 29 | 51012 | Cherokee | Cherokee County | IA | US | Standard | |
| 30 | 51014 | Cleghorn | Cherokee County | IA | US | Standard | |
| 31 | 51029 | Larrabee | Cherokee County | IA | US | Standard | |
| 32 | 51035 | Marcus | Cherokee County | IA | US | Standard | |
| 33 | 51037 | Meriden | Cherokee County | IA | US | Standard | |
| 34 | 51049 | Quimby | Cherokee County | IA | US | Standard | |
| 35 | 51061 | Washta | Cherokee County | IA | US | Standard | |
| 36 | 51047 | Peterson | Clay County | IA | US | Standard | |
| 37 | 51301 | Spencer | Clay County | IA | US | Standard | |
| 38 | 51333 | Dickens | Clay County | IA | US | Standard | |
| 39 | 51338 | Everly | Clay County | IA | US | Standard | |
| 40 | 51343 | Greenville | Clay County | IA | US | Standard | |
| 41 | 51357 | Royal, Rossie | Clay County | IA | US | Standard | |
| 42 | 51366 | Webb | Clay County | IA | US | Standard | |
| 43 | 51439 | Charter Oak | Crawford County | IA | US | Standard | |
| 44 | 51441 | Deloit | Crawford County | IA | US | Standard | |
| 45 | 51442 | Denison | Crawford County | IA | US | Standard | |
| 46 | 51448 | Kiron | Crawford County | IA | US | Standard | |
| 47 | 51454 | Manilla | Crawford County | IA | US | Standard | |
| 48 | 51461 | Schleswig | Crawford County | IA | US | Standard | |
| 49 | 51465 | Vail | Crawford County | IA | US | Standard | |
| 50 | 51467 | Westside | Crawford County | IA | US | Standard | |
| 51 | 51520 | Arion | Crawford County | IA | US | Standard | |
| 52 | 51528 | Dow City | Crawford County | IA | US | Standard | |
| 53 | 51331 | Arnolds Park | Dickinson County | IA | US | Standard | |
| 54 | 51351 | Milford | Dickinson County | IA | US | Standard | |
| 55 | 51355 | Okoboji | Dickinson County | IA | US | Standard | |
| 56 | 51364 | Terril | Dickinson County | IA | US | Standard | |
| 57 | 51365 | Wallingford | Emmet County | IA | US | Standard | |
| 58 | 51639 | Farragut | Fremont County | IA | US | Standard | |
| 59 | 51645 | Imogene | Fremont County | IA | US | Standard | |
| 60 | 51649 | Randolph | Fremont County | IA | US | Standard | |
| 61 | 51650 | Riverton | Fremont County | IA | US | Standard | |
| 62 | 51652 | Sidney | Fremont County | IA | US | Standard | |
| 63 | 51653 | Tabor | Fremont County | IA | US | Standard | |
| 64 | 51529 | Dunlap | Harrison County | IA | US | Standard | |
| 65 | 51546 | Logan | Harrison County | IA | US | Standard | |
| 66 | 51550 | Magnolia | Harrison County | IA | US | Standard | |
| 67 | 51563 | Persia | Harrison County | IA | US | Standard | |
| 68 | 51564 | Pisgah | Harrison County | IA | US | Standard | |
| 69 | 51579 | Woodbine | Harrison County | IA | US | Standard | |
| 70 | 51006 | Battle Creek | Ida County | IA | US | Standard | |
| 71 | 51020 | Galva | Ida County | IA | US | Standard | |
| 72 | 51025 | Holstein | Ida County | IA | US | Standard | |
| 73 | 51431 | Arthur | Ida County | IA | US | Standard | |
| 74 | 51445 | Ida Grove | Ida County | IA | US | Standard | |
| 75 | 51230 | Alvord | Lyon County | IA | US | Standard | |
| 76 | 51235 | Doon | Lyon County | IA | US | Standard | |
| 77 | 51237 | George | Lyon County | IA | US | Standard | |
| 78 | 51533 | Emerson | Mills County | IA | US | Standard | |
| 79 | 51534 | Glenwood | Mills County | IA | US | Standard | |
| 80 | 51540 | Hastings | Mills County | IA | US | Standard | |
| 81 | 51541 | Henderson | Mills County | IA | US | Standard | |
| 82 | 51551 | Malvern | Mills County | IA | US | Standard | |
| 83 | 51571 | Silver City | Mills County | IA | US | Standard | |
| 84 | 51010 | Castana | Monona County | IA | US | Standard | |
| 85 | 51034 | Mapleton | Monona County | IA | US | Standard | |
| 86 | 51051 | Rodney | Monona County | IA | US | Standard | |
| 87 | 51060 | Ute | Monona County | IA | US | Standard | |
| 88 | 51558 | Moorhead | Monona County | IA | US | Standard | |
| 89 | 51572 | Soldier | Monona County | IA | US | Standard | |
| 90 | 51532 | Elliott | Montgomery County | IA | US | Standard | |
| 91 | 51566 | Red Oak | Montgomery County | IA | US | Standard | |
| 92 | 51573 | Stanton | Montgomery County | IA | US | Standard | |
| 93 | 51046 | Paullina | O’Brien County | IA | US | Standard | |
| 94 | 51058 | Sutherland | O’Brien County | IA | US | Standard | |
| 95 | 51201 | Sheldon | O’Brien County | IA | US | Standard | |
| 96 | 51231 | Archer | O’Brien County | IA | US | Standard | |
| 97 | 51245 | Primghar | O’Brien County | IA | US | Standard | |
| 98 | 51248 | Sanborn | O’Brien County | IA | US | Standard | |
| 99 | 51346 | Hartley | O’Brien County | IA | US | Standard | |
| 100 | 51232 | Ashton | Osceola County | IA | US | Standard | |
| 101 | 51350 | Melvin | Osceola County | IA | US | Standard | |
| 102 | 51601 | Shenandoah | Page County | IA | US | Standard | |
| 103 | 51602 | Shenandoah | Page County | IA | US | Standard | |
| 104 | 51603 | Shenandoah | Page County | IA | US | Standard | |
| 105 | 51632 | Clarinda | Page County | IA | US | Standard | |
| 106 | 51636 | Coin | Page County | IA | US | Standard | |
| 107 | 51638 | Essex | Page County | IA | US | Standard | |
| 108 | 50515 | Ayrshire | Palo Alto County | IA | US | Standard | |
| 109 | 50527 | Curlew | Palo Alto County | IA | US | Standard | |
| 110 | 51342 | Graettinger | Palo Alto County | IA | US | Standard | |
| 111 | 51358 | Ruthven | Palo Alto County | IA | US | Standard | |
| 112 | 51024 | Hinton | Plymouth County | IA | US | Standard | |
| 113 | 51028 | Kingsley | Plymouth County | IA | US | Standard | |
| 114 | 51031 | Le Mars, Struble | Plymouth County | IA | US | Standard | |
| 115 | 51038 | Merrill | Plymouth County | IA | US | Standard | |
| 116 | 51050 | Remsen | Plymouth County | IA | US | Standard | |
| 117 | 50540 | Fonda | Pocahontas County | IA | US | Standard | |
| 118 | 50546 | Havelock | Pocahontas County | IA | US | Standard | |
| 119 | 50554 | Laurens | Pocahontas County | IA | US | Standard | |
| 120 | 50574 | Pocahontas | Pocahontas County | IA | US | Standard | |
| 121 | 51521 | Avoca | Pottawattamie County | IA | US | Standard | |
| 122 | 51525 | Carson | Pottawattamie County | IA | US | Standard | |
| 123 | 51536 | Hancock | Pottawattamie County | IA | US | Standard | |
| 124 | 51542 | Honey Creek | Pottawattamie County | IA | US | Standard | |
| 125 | 51548 | Mc Clelland | Pottawattamie County | IA | US | Standard | |
| 126 | 51549 | Macedonia | Pottawattamie County | IA | US | Standard | |
| 127 | 51553 | Minden | Pottawattamie County | IA | US | Standard | |
| 128 | 51559 | Neola | Pottawattamie County | IA | US | Standard | |
| 129 | 51560 | Oakland | Pottawattamie County | IA | US | Standard | |
| 130 | 51575 | Treynor | Pottawattamie County | IA | US | Standard | |
| 131 | 51576 | Underwood | Pottawattamie County | IA | US | Standard | |
| 132 | 51577 | Walnut | Pottawattamie County | IA | US | Standard | |
| 133 | 50535 | Early | Sac County | IA | US | Standard | |
| 134 | 50561 | Lytton | Sac County | IA | US | Standard | |
| 135 | 50567 | Nemaha | Sac County | IA | US | Standard | |
| 136 | 50583 | Sac City | Sac County | IA | US | Standard | |
| 137 | 51053 | Schaller | Sac County | IA | US | Standard | |
| 138 | 51433 | Auburn, Yetter | Sac County | IA | US | Standard | |
| 139 | 51450 | Lake View | Carnarvon | Sac County | IA | US | Standard |
| 140 | 51458 | Odebolt | Sac County | IA | US | Standard | |
| 141 | 51466 | Wall Lake | Sac County | IA | US | Standard | |
| 142 | 51446 | Irwin | Shelby County | IA | US | Standard | |
| 143 | 51447 | Kirkman | Shelby County | IA | US | Standard | |
| 144 | 51527 | Defiance | Shelby County | IA | US | Standard | |
| 145 | 51530 | Earling | Shelby County | IA | US | Standard | |
| 146 | 51531 | Elk Horn | Shelby County | IA | US | Standard | |
| 147 | 51537 | Harlan, Tennant | Shelby County | IA | US | Standard | |
| 148 | 51562 | Panama | Shelby County | IA | US | Standard | |
| 149 | 51565 | Portsmouth | Shelby County | IA | US | Standard | |
| 150 | 51570 | Shelby | Shelby County | IA | US | Standard | |
| 151 | 51003 | Alton | Sioux County | IA | US | Standard | |
| 152 | 51011 | Chatsworth | Sioux County | IA | US | Standard | |
| 153 | 51022 | Granville | Sioux County | IA | US | Standard | |
| 154 | 51027 | Ireton | Sioux County | IA | US | Standard | |
| 155 | 51036 | Maurice | Sioux County | IA | US | Standard | |
| 156 | 51041 | Orange City | Sioux County | IA | US | Standard | |
| 157 | 51234 | Boyden | Sioux County | IA | US | Standard | |
| 158 | 51238 | Hospers | Sioux County | IA | US | Standard | |
| 159 | 51239 | Hull | Sioux County | IA | US | Standard | |
| 160 | 51244 | Matlock | Sioux County | IA | US | Standard | |
| 161 | 51250 | Sioux Center | Sioux County | IA | US | Standard | |
| 162 | 50848 | Gravity | Taylor County | IA | US | Standard | |
| 163 | 51646 | New Market | Taylor County | IA | US | Standard | |
| 164 | 51004 | Anthon | Woodbury County | IA | US | Standard | |
| 165 | 51007 | Bronson | Woodbury County | IA | US | Standard | |
| 166 | 51015 | Climbing Hill | Woodbury County | IA | US | Standard | |
| 167 | 51016 | Correctionville | Woodbury County | IA | US | Standard | |
| 168 | 51018 | Cushing | Woodbury County | IA | US | Standard | |
| 169 | 51019 | Danbury | Woodbury County | IA | US | Standard | |
| 170 | 51026 | Hornick | Woodbury County | IA | US | Standard | |
| 171 | 51030 | Lawton | Woodbury County | IA | US | Standard | |
| 172 | 51039 | Moville | Woodbury County | IA | US | Standard | |
| 173 | 51044 | Oto | Woodbury County | IA | US | Standard | |
| 174 | 51048 | Pierson | Woodbury County | IA | US | Standard | |
| 175 | 51056 | Smithland | Woodbury County | IA | US | Standard | |
| 176 | 51101 | Sioux City | Woodbury County | IA | US | Standard | |
| 177 | 51104 | Sioux City | Woodbury County | IA | US | Standard | |
| 178 | 51105 | Sioux City | Woodbury County | IA | US | Standard | |
| 179 | 51108 | Sioux City | Woodbury County | IA | US | Standard | |
| 180 | 50110 | Gray | Audubon County | IA | US | PO.BOX | |
| 181 | 50592 | Truesdale | Buena Vista County | IA | US | PO.BOX | |
| 182 | 51444 | Halbur | Carroll County | IA | US | PO.BOX | |
| 183 | 51451 | Lanesboro | Carroll County | IA | US | PO.BOX | |
| 184 | 51452 | Lidderdale | Carroll County | IA | US | PO.BOX | |
| 185 | 51340 | Fostoria | Clay County | IA | US | PO.BOX | |
| 186 | 51341 | Gillett Grove | Clay County | IA | US | PO.BOX | |
| 187 | 51432 | Aspinwall | Crawford County | IA | US | PO.BOX | |
| 188 | 51460 | Ricketts | Crawford County | IA | US | PO.BOX | |
| 189 | 51363 | Superior | Dickinson County | IA | US | PO.BOX | |
| 190 | 51344 | Gruver | Emmet County | IA | US | PO.BOX | |
| 191 | 51242 | Lester | Lyon County | IA | US | PO.BOX | |
| 192 | 51554 | Mineola | Mills County | IA | US | PO.BOX | |
| 193 | 50847 | Grant | Montgomery County | IA | US | PO.BOX | |
| 194 | 51591 | Red Oak | Montgomery County | IA | US | PO.BOX | |
| 195 | 51009 | Calumet | O’Brien County | IA | US | PO.BOX | |
| 196 | 51637 | College Springs | Page County | IA | US | PO.BOX | |
| 197 | 51651 | Shambaugh | Page County | IA | US | PO.BOX | |
| 198 | 51656 | Yorktown | Page County | IA | US | PO.BOX | |
| 199 | 51008 | Brunsville | Plymouth County | IA | US | PO.BOX | |
| 200 | 51045 | Oyens | Plymouth County | IA | US | PO.BOX | |
| 201 | 50573 | Plover | Pocahontas County | IA | US | PO.BOX | |
| 202 | 50593 | Varina | Pocahontas County | IA | US | PO.BOX | |
| 203 | 51502 | Council Bluffs | Pottawattamie County | IA | US | PO.BOX | |
| 204 | 51578 | Westphalia | Shelby County | IA | US | PO.BOX | |
| 205 | 51593 | Harlan | Shelby County | IA | US | PO.BOX | |
| 206 | 51102 | Sioux City | Woodbury County | IA | US | PO.BOX | |
| 207 | 50031 | Beaver | Boone County | IA | US | PO.BOX | |
| 208 | 50036 | Boone | Boone County | IA | US | Standard | |
| 209 | 50037 | Boone | Boone County | IA | US | PO.BOX | |
| 210 | 50040 | Boxholm | Boone County | IA | US | PO.BOX | |
| 211 | 50099 | Boone | Boone County | IA | US | PO.BOX | |
| 212 | 50152 | Luther | Boone County | IA | US | PO.BOX | |
| 213 | 50156 | Madrid | Boone County | IA | US | Standard | |
| 214 | 50212 | Ogden | Boone County | IA | US | Standard | |
| 215 | 50223 | Pilot Mound | Boone County | IA | US | Standard | |
| 216 | 50003 | Adel | Dallas County | IA | US | Standard | |
| 217 | 50038 | Booneville | Dallas County | IA | US | Standard | |
| 218 | 50039 | Bouton | Dallas County | IA | US | Standard | |
| 219 | 50063 | Dallas Center | Dallas County | IA | US | Standard | |
| 220 | 50069 | De Soto | Dallas County | IA | US | Standard | |
| 221 | 50167 | Minburn | Dallas County | IA | US | Standard | |
| 222 | 50220 | Perry | Dallas County | IA | US | Standard | |
| 223 | 50261 | Van Meter | Dallas County | IA | US | Standard | |
| 224 | 50263 | Waukee | Dallas County | IA | US | Standard | |
| 225 | 50266 | West Des Moines | Dallas County | IA | US | Standard | |
| 226 | 50276 | Woodward | Dallas County | IA | US | Standard | |
| 227 | 50323 | Des Moines | Dallas County | IA | US | Standard | |
| 228 | 50227 | Popejoy | Franklin County | IA | US | Standard | |
| 229 | 50059 | Cooper | Greene County | IA | US | Standard | |
| 230 | 50064 | Dana | Greene County | IA | US | Standard | |
| 231 | 50107 | Grand Junction | Greene County | IA | US | Standard | |
| 232 | 50217 | Paton | Greene County | IA | US | Standard | |
| 233 | 50235 | Rippey | Greene County | IA | US | Standard | |
| 234 | 50034 | Blairsburg | Hamilton County | IA | US | Standard | |
| 235 | 50075 | Ellsworth | Hamilton County | IA | US | Standard | |
| 236 | 50130 | Jewell | Hamilton County | IA | US | Standard | |
| 237 | 50132 | Kamrar | Hamilton County | IA | US | Standard | |
| 238 | 50231 | Randall | Hamilton County | IA | US | PO.BOX | |
| 239 | 50246 | Stanhope | Hamilton County | IA | US | Standard | |
| 240 | 50249 | Stratford | Hamilton County | IA | US | Standard | |
| 241 | 50271 | Williams | Hamilton County | IA | US | Standard | |
| 242 | 50595 | Webster City | Hamilton County | IA | US | Standard | |
| 243 | 50043 | Buckeye | Hardin County | IA | US | PO.BOX | |
| 244 | 50102 | Garden City | Hardin County | IA | US | PO.BOX | |
| 245 | 50230 | Radcliffe | Hardin County | IA | US | Standard | |
| 246 | 50519 | Bode | Humboldt County | IA | US | Standard | |
| 247 | 50529 | Dakota City | Humboldt County | IA | US | Standard | |
| 248 | 50545 | Hardy | Humboldt County | IA | US | Standard | |
| 249 | 50548 | Humboldt | Humboldt County | IA | US | Standard | |
| 250 | 50558 | Livermore | Humboldt County | IA | US | Standard | |
| 251 | 50582 | Rutland | Humboldt County | IA | US | Standard | |
| 252 | 50591 | Thor | Humboldt County | IA | US | Standard | |
| 253 | 50451 | Lakota | Kossuth County | IA | US | Standard | |
| 254 | 50511 | Algona | Kossuth County | IA | US | Standard | |
| 255 | 50517 | Bancroft | Kossuth County | IA | US | Standard | |
| 256 | 50522 | Burt | Kossuth County | IA | US | Standard | |
| 257 | 50556 | Ledyard | Kossuth County | IA | US | Standard | |
| 258 | 50559 | Lone Rock | Kossuth County | IA | US | Standard | |
| 259 | 50560 | Lu Verne | Kossuth County | IA | US | Standard | |
| 260 | 50590 | Swea City | Kossuth County | IA | US | Standard | |
| 261 | 50033 | Bevington | Madison County | IA | US | Standard | |
| 262 | 50072 | Earlham | Madison County | IA | US | Standard | |
| 263 | 50218 | Patterson | Madison County | IA | US | Standard | |
| 264 | 50010 | Ames | Story County | IA | US | Standard | |
| 265 | 50011 | Ames | Story County | IA | US | Standard | |
| 266 | 50012 | Ames | Story County | IA | US | Standard | |
| 267 | 50013 | Ames | Story County | IA | US | Standard | |
| 268 | 50014 | Ames | Story County | IA | US | Standard | |
| 269 | 50046 | Cambridge | Story County | IA | US | Standard | |
| 270 | 50105 | Gilbert | Story County | IA | US | Standard | |
| 271 | 50124 | Huxley | Story County | IA | US | Standard | |
| 272 | 50134 | Kelley | Story County | IA | US | Standard | |
| 273 | 50236 | Roland | Story County | IA | US | Standard | |
| 274 | 50244 | Slater | Story County | IA | US | Standard | |
| 275 | 50248 | Story City | Story County | IA | US | Standard | |
| 276 | 50047 | Carlisle | Warren County | IA | US | Standard | |
| 277 | 50061 | Des Moines | Cumming | Warren County | IA | US | Standard |
| 278 | 50118 | Hartford | Warren County | IA | US | Standard | |
| 279 | 50211 | Norwalk | Churchville | Warren County | IA | US | Standard |
| 280 | 50501 | Fort Dodge | Webster County | IA | US | Standard | |
| 281 | 50516 | Badger | Webster County | IA | US | Standard | |
| 282 | 50521 | Burnside | Webster County | IA | US | PO.BOX | |
| 283 | 50523 | Callender | Webster County | IA | US | Standard | |
| 284 | 50530 | Dayton | Webster County | IA | US | Standard | |
| 285 | 50532 | Duncombe | Webster County | IA | US | Standard | |
| 286 | 50544 | Harcourt | Webster County | IA | US | Standard | |
| 287 | 50557 | Lehigh | Webster County | IA | US | Standard | |
| 288 | 50566 | Moorland | Webster County | IA | US | Standard | |
| 289 | 50569 | Otho | Webster County | IA | US | Standard | |
| 290 | 50594 | Vincent | Webster County | IA | US | Standard | |
| 291 | 50526 | Clarion | Wright County | IA | US | Standard | |
| 292 | 50533 | Eagle Grove | Wright County | IA | US | Standard | |
| 293 | 50599 | Woolstock | Wright County | IA | US | Standard | |
| 294 | 50007 | Alleman | Polk County | IA | US | Standard | |
| 295 | 50009 | Altoona | Polk County | IA | US | Standard | |
| 296 | 50021 | Ankeny | Polk County | IA | US | Standard | |
| 297 | 50023 | Ankeny | Polk County | IA | US | Standard | |
| 298 | 50032 | Berwick | Polk County | IA | US | PO.BOX | |
| 299 | 50035 | Bondurant | Polk County | IA | US | Standard | |
| 300 | 50073 | Elkhart | Polk County | IA | US | Standard | |
| 301 | 50109 | Granger | Polk County | IA | US | Standard | |
| 302 | 50111 | Grimes | Polk County | IA | US | Standard | |
| 303 | 50131 | Urbandale | Johnston | Polk County | IA | US | Standard |
| 304 | 50169 | Mitchellville | Polk County | IA | US | Standard | |
| 305 | 50226 | Polk City | Polk County | IA | US | Standard | |
| 306 | 50243 | Sheldahl | Polk County | IA | US | PO.BOX | |
| 307 | 50265 | Des Moines | Valley Junction | Polk County | IA | US | Standard |
| 308 | 50301 | Des Moines | Polk County | IA | US | PO.BOX | |
| 309 | 50302 | Des Moines | Polk County | IA | US | PO.BOX | |
| 310 | 50303 | Des Moines | Polk County | IA | US | PO.BOX | |
| 311 | 50304 | Des Moines | Polk County | IA | US | PO.BOX | |
| 312 | 50305 | Des Moines | Polk County | IA | US | PO.BOX | |
| 313 | 50306 | Des Moines | Polk County | IA | US | PO.BOX | |
| 314 | 50307 | Des Moines | Polk County | IA | US | Standard | |
| 315 | 50308 | Des Moines | Polk County | IA | US | Standard | |
| 316 | 50309 | Des Moines | Polk County | IA | US | Standard | |
| 317 | 50310 | Des Moine | Lower Beaver, Beaverdale, Lovington | Polk County | IA | US | Standard |
| 318 | 50311 | Des Moines | Polk County | IA | US | Standard | |
| 319 | 50312 | Des Moines | Woodland Heights, North of Grand, Ingersoll Park | Polk County | IA | US | Standard |
| 320 | 50313 | Des Moines | Polk County | IA | US | Standard | |
| 321 | 50314 | Des Moines | River Bend, Mondamin Presidential, Chautauqua Park | Polk County | IA | US | Standard |
| 322 | 50315 | Des Moines | Polk County | IA | US | Standard | |
| 323 | 50316 | Des Moines | Capitol Park | Polk County | IA | US | Standard |
| 324 | 50317 | Des Moines | Norwoodville, Gray’s Woods, Valley High Manor, Capitol Heights, Rising Sun | Polk County | IA | US | Standard |
| 325 | 50318 | Des Moines | Polk County | IA | US | PO.BOX | |
| 326 | 50319 | Des Moines | Polk County | IA | US | Standard | |
| 327 | 50320 | Des Moines | Polk County | IA | US | Standard | |
| 328 | 50321 | Des Moines | Southwestern Hills | Polk County | IA | US | Standard |
| 329 | 50322 | Des Moines | Polk County | IA | US | Standard | |
| 330 | 50324 | Windsor Heights | Polk County | IA | US | Standard | |
| 331 | 50325 | Clive, Des Moines | Polk County | IA | US | Standard | |
| 332 | 50327 | Des Moines | Carbondale, East Des Moines | Polk County | IA | US | Standard |
| 333 | 50328 | Des Moines | Polk County | IA | US | Standard | |
| 334 | 50329 | Des Moines | Polk County | IA | US | Standard | |
| 335 | 50330 | Des Moines | Polk County | IA | US | Standard | |
| 336 | 50331 | Des Moines | Polk County | IA | US | Standard | |
| 337 | 50332 | Des Moines | Polk County | IA | US | Standard | |
| 338 | 50333 | Des Moines | Polk County | IA | US | PO.BOX | |
| 339 | 50334 | Des Moines | Polk County | IA | US | Standard | |
| 340 | 50335 | Des Moines | Polk County | IA | US | Standard | |
| 341 | 50336 | Des Moines | Polk County | IA | US | PO.BOX | |
| 342 | 50339 | Des Moines | Polk County | IA | US | Standard | |
| 343 | 50340 | Des Moines | Polk County | IA | US | PO.BOX | |
| 344 | 50347 | Des Moines | Polk County | IA | US | Standard | |
| 345 | 50359 | Des Moines | Polk County | IA | US | Standard | |
| 346 | 50360 | Des Moines | Polk County | IA | US | Standard | |
| 347 | 50361 | Des Moines | Polk County | IA | US | Standard | |
| 348 | 50362 | Des Moines | Polk County | IA | US | Standard | |
| 349 | 50363 | Des Moines | Polk County | IA | US | Standard | |
| 350 | 50364 | Des Moines | Polk County | IA | US | Standard | |
| 351 | 50367 | Des Moines | Polk County | IA | US | Standard | |
| 352 | 50368 | Des Moines | Polk County | IA | US | PO.BOX | |
| 353 | 50369 | Des Moines | Polk County | IA | US | Standard | |
| 354 | 50380 | Des Moines | Polk County | IA | US | Standard | |
| 355 | 50381 | Des Moines | Polk County | IA | US | Standard | |
| 356 | 50391 | Des Moines | Polk County | IA | US | Standard | |
| 357 | 50392 | Des Moines | Polk County | IA | US | Standard | |
| 358 | 50393 | Des Moines | Polk County | IA | US | PO.BOX | |
| 359 | 50394 | Des Moines | Polk County | IA | US | PO.BOX | |
| 360 | 50395 | Des Moines | Polk County | IA | US | Standard | |
| 361 | 50396 | Des Moines | Polk County | IA | US | Standard | |
| 362 | 50397 | Des Moines | Polk County | IA | US | Standard | |
| 363 | 50398 | West Des Moines | Polk County | IA | US | Standard | |
| 364 | 50936 | Des Moines | Polk County | IA | US | Standard | |
| 365 | 50940 | Des Moines | Polk County | IA | US | Standard | |
| 366 | 50947 | Des Moines | Polk County | IA | US | Standard | |
| 367 | 50950 | Boone | Polk County | IA | US | Standard | |
| 368 | 50980 | Des Moines | Polk County | IA | US | Standard | |
| 369 | 50981 | Des Moines | Polk County | IA | US | Standard | |
| 370 | 50402 | Mason City | Cerro Gordo County | IA | US | PO.BOX | |
| 371 | 50661 | North Washington | Chickasaw County | IA | US | PO.BOX | |
| 372 | 50041 | Bradford | Franklin County | IA | US | PO.BOX | |
| 373 | 50431 | Coulter | Franklin County | IA | US | PO.BOX | |
| 374 | 50432 | Crystal Lake | Hancock County | IA | US | PO.BOX | |
| 375 | 50269 | Whitten | Hardin County | IA | US | PO.BOX | |
| 376 | 50255 | Thornburg | Keokuk County | IA | US | PO.BOX | |
| 377 | 52568 | Martinsburg | Keokuk County | IA | US | PO.BOX | |
| 378 | 50272 | Williamson | Lucas County | IA | US | PO.BOX | |
| 379 | 52595 | University Park | Mahaska County | IA | US | PO.BOX | |
| 380 | 50163 | Melcher Dallas | Marion County | IA | US | PO.BOX | |
| 381 | 50078 | Ferguson | Marshall County | IA | US | PO.BOX | |
| 382 | 50142 | Le Grand | Marshall County | IA | US | PO.BOX | |
| 383 | 50831 | Arispe | Union County | IA | US | PO.BOX | |
| 384 | 50145 | Liberty Center | Warren County | IA | US | PO.BOX | |
| 385 | 50241 | Saint Marys | Warren County | IA | US | PO.BOX | |
| 386 | 50846 | Fontanelle | Adair County | IA | US | Standard | |
| 387 | 50839 | Carbon | Adams County | IA | US | Standard | |
| 388 | 50859 | Prescott | Adams County | IA | US | Standard | |
| 389 | 52544 | Centerville | Numa, Rathbun | Appanoose County | IA | US | Standard |
| 390 | 52571 | Moravia | Appanoose County | IA | US | Standard | |
| 391 | 52574 | Mystic | Appanoose County | IA | US | Standard | |
| 392 | 52581 | Plano | Appanoose County | IA | US | Standard | |
| 393 | 52593 | Udell | Appanoose County | IA | US | Standard | |
| 394 | 52594 | Unionville | Appanoose County | IA | US | Standard | |
| 395 | 50605 | Aredale | Butler County | IA | US | Standard | |
| 396 | 50608 | Austinville | Butler County | IA | US | Standard | |
| 397 | 50611 | Bristow | Butler County | IA | US | Standard | |
| 398 | 50625 | Dumont | Butler County | IA | US | Standard | |
| 399 | 50649 | Kesley | Butler County | IA | US | Standard | |
| 400 | 50401 | Mason City | Cerro Gordo County | IA | US | Standard | |
| 401 | 50428 | Clear Lake | Cerro Gordo County | IA | US | Standard | |
| 402 | 50433 | Dougherty | Cerro Gordo County | IA | US | Standard | |
| 403 | 50457 | Meservey | Cerro Gordo County | IA | US | Standard | |
| 404 | 50464 | Plymouth | Cerro Gordo County | IA | US | Standard | |
| 405 | 50467 | Rock Falls | Cerro Gordo County | IA | US | Standard | |
| 406 | 50469 | Rockwell | Cerro Gordo County | IA | US | Standard | |
| 407 | 50477 | Swaledale | Cerro Gordo County | IA | US | Standard | |
| 408 | 50479 | Thornton | Cerro Gordo County | IA | US | Standard | |
| 409 | 50482 | Ventura | Cerro Gordo County | IA | US | Standard | |
| 410 | 50603 | Alta Vista | Chickasaw County | IA | US | Standard | |
| 411 | 50174 | Murray | Clarke County | IA | US | Standard | |
| 412 | 50213 | Osceola | Clarke County | IA | US | Standard | |
| 413 | 50275 | Woodburn | Clarke County | IA | US | Standard | |
| 414 | 52538 | West Grove | Bloomfield | Davis County | IA | US | Standard |
| 415 | 52552 | Drakesville | Davis County | IA | US | Standard | |
| 416 | 50067 | Decatur | Decatur County | IA | US | Standard | |
| 417 | 50103 | Garden Grove | Decatur County | IA | US | Standard | |
| 418 | 50108 | Grand River | Decatur County | IA | US | Standard | |
| 419 | 50144 | Leon | Decatur County | IA | US | Standard | |
| 420 | 50262 | Van Wert | Decatur County | IA | US | Standard | |
| 421 | 50264 | Weldon | Decatur County | IA | US | Standard | |
| 422 | 50435 | Floyd | Floyd County | IA | US | Standard | |
| 423 | 50458 | Nora Springs | Floyd County | IA | US | Standard | |
| 424 | 50468 | Rockford | Floyd County | IA | US | Standard | |
| 425 | 50471 | Rudd | Floyd County | IA | US | Standard | |
| 426 | 50616 | Charles City | Floyd County | IA | US | Standard | |
| 427 | 50620 | Colwell | Floyd County | IA | US | Standard | |
| 428 | 50653 | Marble Rock | Floyd County | IA | US | Standard | |
| 429 | 50420 | Alexander | Franklin County | IA | US | Standard | |
| 430 | 50427 | Chapin | Franklin County | IA | US | Standard | |
| 431 | 50452 | Latimer | Franklin County | IA | US | Standard | |
| 432 | 50475 | Sheffield | Franklin County | IA | US | Standard | |
| 433 | 50633 | Geneva | Franklin County | IA | US | Standard | |
| 434 | 50423 | Britt | Hancock County | IA | US | Standard | |
| 435 | 50438 | Garner | Hancock County | IA | US | Standard | |
| 436 | 50439 | Goodell | Hancock County | IA | US | Standard | |
| 437 | 50449 | Klemme | Hancock County | IA | US | Standard | |
| 438 | 50206 | New Providence | Hardin County | IA | US | Standard | |
| 439 | 50258 | Union | Hardin County | IA | US | Standard | |
| 440 | 50259 | Gifford | Hardin County | IA | US | Standard | |
| 441 | 50672 | Steamboat Rock | Hardin County | IA | US | Standard | |
| 442 | 50028 | Baxter | Jasper County | IA | US | Standard | |
| 443 | 50127 | Ira | Jasper County | IA | US | Standard | |
| 444 | 50135 | Kellogg | Jasper County | IA | US | Standard | |
| 445 | 50137 | Killduff | Jasper County | IA | US | Standard | |
| 446 | 50153 | Lynnville | Jasper County | IA | US | Standard | |
| 447 | 50232 | Reasnor | Jasper County | IA | US | Standard | |
| 448 | 50251 | Sully | Jasper County | IA | US | Standard | |
| 449 | 52557 | Fairfield | Jefferson County | IA | US | Standard | |
| 450 | 52567 | Libertyville | Jefferson County | IA | US | Standard | |
| 451 | 50104 | Gibson | Keokuk County | IA | US | Standard | |
| 452 | 52550 | Delta | Keokuk County | IA | US | Standard | |
| 453 | 52562 | Hayesville | Keokuk County | IA | US | Standard | |
| 454 | 50049 | Chariton | Lucas County | IA | US | Standard | |
| 455 | 50068 | Derby | Lucas County | IA | US | Standard | |
| 456 | 50151 | Lucas | Lucas County | IA | US | Standard | |
| 457 | 50238 | Russell | Lucas County | IA | US | Standard | |
| 458 | 50257 | Truro | Madison County | IA | US | Standard | |
| 459 | 50027 | Barnes City | Mahaska County | IA | US | Standard | |
| 460 | 50143 | Leighton | Mahaska County | IA | US | Standard | |
| 461 | 50207 | New Sharon | Taintor | Mahaska County | IA | US | Standard |
| 462 | 52534 | Beacon | Mahaska County | IA | US | Standard | |
| 463 | 52543 | Cedar | Mahaska County | IA | US | Standard | |
| 464 | 52561 | Fremont | Mahaska County | IA | US | Standard | |
| 465 | 52577 | Oskaloosa | Keomah Village | Mahaska County | IA | US | Standard |
| 466 | 52586 | Rose Hill | Mahaska County | IA | US | Standard | |
| 467 | 50044 | Bussey | Marion County | IA | US | Standard | |
| 468 | 50057 | Columbia | Marion County | IA | US | Standard | |
| 469 | 50116 | Hamilton | Marion County | IA | US | Standard | |
| 470 | 50119 | Harvey | Marion County | IA | US | Standard | |
| 471 | 50219 | Pella | Marion County | IA | US | Standard | |
| 472 | 50256 | Tracy | Marion County | IA | US | Standard | |
| 473 | 50005 | Albion | Marshall County | IA | US | Standard | |
| 474 | 50051 | Clemons | Marshall County | IA | US | Standard | |
| 475 | 50106 | Gilman | Marshall County | IA | US | Standard | |
| 476 | 50120 | Haverhill | Marshall County | IA | US | Standard | |
| 477 | 50141 | Laurel | Marshall County | IA | US | Standard | |
| 478 | 50148 | Liscomb | Marshall County | IA | US | Standard | |
| 479 | 50158 | Marshalltown | Marshall County | IA | US | Standard | |
| 480 | 50162 | Melbourne | Marshall County | IA | US | Standard | |
| 481 | 50234 | Rhodes | Harvester | Marshall County | IA | US | Standard |
| 482 | 50239 | Saint Anthony | Marshall County | IA | US | Standard | |
| 483 | 50426 | Carpenter | Mitchell County | IA | US | Standard | |
| 484 | 50454 | Little Cedar | Mitchell County | IA | US | Standard | |
| 485 | 50460 | Orchard | Mitchell County | IA | US | Standard | |
| 486 | 50461 | Osage | Mitchell | Mitchell County | IA | US | Standard |
| 487 | 50481 | Toeterville | Mitchell County | IA | US | Standard | |
| 488 | 50150 | Lovilia | Monroe County | IA | US | Standard | |
| 489 | 52531 | Albia, Hiteman | Monroe County | IA | US | Standard | |
| 490 | 52569 | Melrose | Monroe County | IA | US | Standard | |
| 491 | 50112 | Grinnell | Oakland Acres | Poweshiek County | IA | US | Standard |
| 492 | 50157 | Malcom | Poweshiek County | IA | US | Standard | |
| 493 | 50171 | Montezuma | Poweshiek County | IA | US | Standard | |
| 494 | 50242 | Searsboro | Poweshiek County | IA | US | Standard | |
| 495 | 52211 | Brooklyn | Poweshiek County | IA | US | Standard | |
| 496 | 50074 | Ellston | Beaconsfield | Ringgold County | IA | US | Standard |
| 497 | 50133 | Kellerton | Ringgold County | IA | US | Standard | |
| 498 | 50835 | Benton | Ringgold County | IA | US | Standard | |
| 499 | 50845 | Diagonal | Ringgold County | IA | US | Standard | |
| 500 | 50863 | Tingley | Ringgold County | IA | US | Standard | |
| 501 | 50173 | Montour | Tama County | IA | US | Standard | |
| 502 | 50632 | Garwin | Green Mountain | Tama County | IA | US | Standard |
| 503 | 52339 | Tama | Tama County | IA | US | Standard | |
| 504 | 50840 | Clearfield | Taylor County | IA | US | Standard | |
| 505 | 50149 | Lorimor | Union County | IA | US | Standard | |
| 506 | 50254 | Thayer | Union County | IA | US | Standard | |
| 507 | 50801 | Creston | Union County | IA | US | Standard | |
| 508 | 50830 | Afton | Union County | IA | US | Standard | |
| 509 | 50842 | Cromwell | Union County | IA | US | Standard | |
| 510 | 50861 | Shannon City | Union County | IA | US | Standard | |
| 511 | 52501 | Ottumwa | Wapello County | IA | US | Standard | |
| 512 | 52530 | Agency | Wapello County | IA | US | Standard | |
| 513 | 52536 | Blakesburg | Wapello County | IA | US | Standard | |
| 514 | 52548 | Chillicothe | Wapello County | IA | US | Standard | |
| 515 | 52553 | Eddyville | Wapello County | IA | US | Standard | |
| 516 | 52554 | Eldon | Wapello County | IA | US | Standard | |
| 517 | 52566 | Kirkville | Wapello County | IA | US | Standard | |
| 518 | 50052 | Clio | Wayne County | IA | US | Standard | |
| 519 | 50123 | Humeston | Wayne County | IA | US | Standard | |
| 520 | 50165 | Millerton | Wayne County | IA | US | Standard | |
| 521 | 52583 | Promise City | Wayne County | IA | US | Standard | |
| 522 | 50436 | Forest City | Winnebago County | IA | US | Standard | |
| 523 | 50453 | Leland | Winnebago County | IA | US | Standard | |
| 524 | 50434 | Fertile | Worth County | IA | US | Standard | |
| 525 | 50440 | Grafton | Worth County | IA | US | Standard | |
| 526 | 50444 | Hanlontown | Worth County | IA | US | Standard | |
| 527 | 50446 | Joice | Worth County | IA | US | Standard | |
| 528 | 50448 | Kensett | Worth County | IA | US | Standard | |
| 529 | 50456 | Manly | Worth County | IA | US | Standard | |
| 530 | 52206 | Atkins | Benton County | IA | US | Standard | |
| 531 | 52209 | Blairstown | Benton County | IA | US | Standard | |
| 532 | 52229 | Garrison | Benton County | IA | US | Standard | |
| 533 | 52249 | Keystone | Benton County | IA | US | Standard | |
| 534 | 52257 | Luzerne | Benton County | IA | US | Standard | |
| 535 | 52313 | Mount Auburn | Benton County | IA | US | Standard | |
| 536 | 52315 | Newhall | Benton County | IA | US | Standard | |
| 537 | 52318 | Norway | Benton County | IA | US | Standard | |
| 538 | 52332 | Shellsburg | Benton County | IA | US | Standard | |
| 539 | 52345 | Urbana | Benton County | IA | US | Standard | |
| 540 | 52346 | Van Horne | Benton County | IA | US | Standard | |
| 541 | 52349 | Vinton | Benton County | IA | US | Standard | |
| 542 | 52351 | Walford | Benton County | IA | US | Standard | |
| 543 | 52354 | Watkins | Benton County | IA | US | Standard | |
| 544 | 50613 | Cedar Falls | Black Hawk County | IA | US | Standard | |
| 545 | 50614 | Cedar Falls | Black Hawk County | IA | US | Standard | |
| 546 | 50623 | Dewar | Black Hawk County | IA | US | PO.BOX | |
| 547 | 50626 | Dunkerton | Black Hawk County | IA | US | Standard | |
| 548 | 50634 | Gilbertville | Black Hawk County | IA | US | PO.BOX | |
| 549 | 50643 | Hudson | Voorhies | Black Hawk County | IA | US | Standard |
| 550 | 50651 | La Porte City | Black Hawk County | IA | US | Standard | |
| 551 | 50667 | Raymond | Black Hawk County | IA | US | Standard | |
| 552 | 50701 | Waterloo | Castle Hill Park | Black Hawk County | IA | US | Standard |
| 553 | 50702 | Waterloo | Black Hawk County | IA | US | Standard | |
| 554 | 50703 | Dewar, Waterloo | Black Hawk County | IA | US | Standard | |
| 555 | 50704 | Waterloo | Black Hawk County | IA | US | PO.BOX | |
| 556 | 50706 | Waterloo | Black Hawk County | IA | US | Standard | |
| 557 | 50707 | Evansdale | Black Hawk County | IA | US | Standard | |
| 558 | 50622 | Denver | Bremer County | IA | US | Standard | |
| 559 | 50631 | Frederika | Bremer County | IA | US | PO.BOX | |
| 560 | 50647 | Janesville | Bremer County | IA | US | Standard | |
| 561 | 50677 | Waverly, Bremer | Bremer County | IA | US | Standard | |
| 562 | 50629 | Fairbank | Buchanan County | IA | US | Standard | |
| 563 | 50644 | Independence | Buchanan County | IA | US | Standard | |
| 564 | 50648 | Jesup | Buchanan County | IA | US | Standard | |
| 565 | 52210 | Brandon | Buchanan County | IA | US | Standard | |
| 566 | 52326 | Quasqueton | Buchanan County | IA | US | Standard | |
| 567 | 52329 | Rowley | Buchanan County | IA | US | Standard | |
| 568 | 50660 | New Hartford | Butler County | IA | US | Standard | |
| 569 | 50665 | Parkersburg | Butler County | IA | US | Standard | |
| 570 | 50670 | Shell Rock | Butler County | IA | US | Standard | |
| 571 | 52623 | Danville | Des Moines County | IA | US | Standard | |
| 572 | 52637 | Mediapolis | Des Moines County | IA | US | Standard | |
| 573 | 52638 | Middletown | Des Moines County | IA | US | Standard | |
| 574 | 52650 | Sperry | Des Moines County | IA | US | Standard | |
| 575 | 52655 | West Burlington | Des Moines County | IA | US | Standard | |
| 576 | 52660 | Yarmouth | Des Moines County | IA | US | Standard | |
| 577 | 50664 | Oran | Fayette County | IA | US | Standard | |
| 578 | 50624 | Dike | Grundy County | IA | US | Standard | |
| 579 | 50657 | Morrison | Grundy County | IA | US | Standard | |
| 580 | 50673 | Stout | Grundy County | IA | US | PO.BOX | |
| 581 | 52630 | Hillsboro | Henry County | IA | US | Standard | |
| 582 | 52641 | Mount Pleasant | Henry County | IA | US | Standard | |
| 583 | 52642 | Rome | Henry County | IA | US | PO.BOX | |
| 584 | 52644 | Mount Union | Henry County | IA | US | Standard | |
| 585 | 52645 | Lowell | New London | Henry County | IA | US | Standard |
| 586 | 52647 | Olds | Henry County | IA | US | PO.BOX | |
| 587 | 52649 | Salem | Henry County | IA | US | Standard | |
| 588 | 52652 | Swedesburg | Henry County | IA | US | PO.BOX | |
| 589 | 52654 | Wayland | Henry County | IA | US | Standard | |
| 590 | 52659 | Winfield | Henry County | IA | US | Standard | |
| 591 | 52203 | West Amana | Amana | Iowa County | IA | US | Standard |
| 592 | 52204 | Amana | Iowa County | IA | US | Standard | |
| 593 | 52220 | Conroy | Iowa County | IA | US | PO.BOX | |
| 594 | 52236 | Homestead | Iowa County | IA | US | Standard | |
| 595 | 52251 | Ladora | Iowa County | IA | US | Standard | |
| 596 | 52301 | Marengo | Iowa County | IA | US | Standard | |
| 597 | 52307 | Middle | Middle Amana | Iowa County | IA | US | PO.BOX |
| 598 | 52308 | Millersburg | Iowa County | IA | US | PO.BOX | |
| 599 | 52316 | North English | Iowa County | IA | US | Standard | |
| 600 | 52325 | Parnell | Iowa County | IA | US | Standard | |
| 601 | 52334 | South Amana | Iowa County | IA | US | Standard | |
| 602 | 52361 | Williamsburg | Iowa County | IA | US | Standard | |
| 603 | 52235 | Hills | Johnson County | IA | US | PO.BOX | |
| 604 | 52240 | Iowa City | Morse, Midway, Twain | Johnson County | IA | US | Standard |
| 605 | 52241 | Iowa City | Western Hills Mobile Estates, Oakdale | Johnson County | IA | US | Standard |
| 606 | 52242 | Iowa City | Johnson County | IA | US | Standard | |
| 607 | 52243 | Iowa City | Johnson County | IA | US | Standard | |
| 608 | 52244 | Iowa City | Johnson County | IA | US | PO.BOX | |
| 609 | 52245 | Iowa City | Lemme | Johnson County | IA | US | Standard |
| 610 | 52246 | Iowa City | University Heights | Johnson County | IA | US | Standard |
| 611 | 52317 | North Liberty | Johnson County | IA | US | Standard | |
| 612 | 52319 | Oakdale | Johnson County | IA | US | PO.BOX | |
| 613 | 52322 | Oxford | Johnson County | IA | US | Standard | |
| 614 | 52338 | Shueyville | Swisher | Johnson County | IA | US | Standard |
| 615 | 52340 | Tiffin | Johnson County | IA | US | Standard | |
| 616 | 52755 | Lone Tree | Johnson County | IA | US | Standard | |
| 617 | 52252 | Langworthy | Jones County | IA | US | Standard | |
| 618 | 52305 | Martelle | Jones County | IA | US | Standard | |
| 619 | 52312 | Morley | Jones County | IA | US | Standard | |
| 620 | 52624 | Denmark | Lee County | IA | US | PO.BOX | |
| 621 | 52625 | Donnellson | Lee County | IA | US | Standard | |
| 622 | 52631 | Houghton | Lee County | IA | US | PO.BOX | |
| 623 | 52639 | Montrose | Lee County | IA | US | Standard | |
| 624 | 52648 | Pilot Grove | Lee County | IA | US | Standard | |
| 625 | 52656 | West Point | Lee County | IA | US | Standard | |
| 626 | 52657 | West Point | Saint Paul | Lee County | IA | US | Standard |
| 627 | 52202 | Alburnett | Linn County | IA | US | Standard | |
| 628 | 52213 | Center Point | Linn County | IA | US | Standard | |
| 629 | 52214 | Central City | Linn County | IA | US | Standard | |
| 630 | 52219 | Prairieburg | Linn County | IA | US | Standard | |
| 631 | 52227 | Ely | Linn County | IA | US | Standard | |
| 632 | 52228 | Fairfax | Linn County | IA | US | Standard | |
| 633 | 52233 | Hiawatha | Linn County | IA | US | Standard | |
| 634 | 52302 | Marion | Linn County | IA | US | Standard | |
| 635 | 52314 | Mount Vernon | Linn County | IA | US | Standard | |
| 636 | 52324 | Palo | Linn County | IA | US | Standard | |
| 637 | 52328 | Robins | Linn County | IA | US | Standard | |
| 638 | 52336 | Springville | Viola, Whittier | Linn County | IA | US | Standard |
| 639 | 52341 | Toddville | Linn County | IA | US | Standard | |
| 640 | 52344 | Troy Mills | Linn County | IA | US | PO.BOX | |
| 641 | 52350 | Viola | Linn County | IA | US | PO.BOX | |
| 642 | 52352 | Walker | Linn County | IA | US | Standard | |
| 643 | 52401 | Cedar Rapids | Oakhill Jackson | Linn County | IA | US | Standard |
| 644 | 52402 | Cedar Rapids | Noelridge Park | Linn County | IA | US | Standard |
| 645 | 52403 | Cedar Rapids | Bertram | Linn County | IA | US | Standard |
| 646 | 52404 | Western , Cedar Rapids | Westwind Creek, West Cedar Rapids, Lincolnway Village, Southwest Area | Linn County | IA | US | Standard |
| 647 | 52405 | Cedar Rapids | Northwest Area | Linn County | IA | US | Standard |
| 648 | 52406 | Cedar Rapids | Linn County | IA | US | PO.BOX | |
| 649 | 52407 | Cedar Rapids | Linn County | IA | US | PO.BOX | |
| 650 | 52408 | Cedar Rapids | Linn County | IA | US | PO.BOX | |
| 651 | 52409 | Cedar Rapids | Linn County | IA | US | PO.BOX | |
| 652 | 52410 | Cedar Rapids | Linn County | IA | US | PO.BOX | |
| 653 | 52411 | Cedar Rapids | Linn County | IA | US | Standard | |
| 654 | 52497 | Cedar Rapids | Linn County | IA | US | Standard | |
| 655 | 52498 | Cedar Rapids | Linn County | IA | US | Standard | |
| 656 | 52499 | Cedar Rapids | Linn County | IA | US | Standard | |
| 657 | 52640 | Morning Sun | Louisa County | IA | US | Standard | |
| 658 | 52737 | Columbus City | Louisa County | IA | US | Standard | |
| 659 | 52738 | Columbus Junction | Louisa County | IA | US | Standard | |
| 660 | 52752 | Grandview | Louisa County | IA | US | PO.BOX | |
| 661 | 52739 | Conesville | Muscatine County | IA | US | Standard | |
| 662 | 50612 | Buckingham | Tama County | IA | US | Standard | |
| 663 | 52217 | Clutier | Tama County | IA | US | Standard | |
| 664 | 52224 | Dysart | Tama County | IA | US | Standard | |
| 665 | 52348 | Vining | Tama County | IA | US | PO.BOX | |
| 666 | 52201 | Ainsworth | Washington County | IA | US | Standard | |
| 667 | 52247 | Kalona | Washington County | IA | US | Standard | |
| 668 | 52327 | Riverside | Washington County | IA | US | Standard | |
| 669 | 52353 | Washington | Washington County | IA | US | Standard | |
| 670 | 52356 | Wellman | Washington County | IA | US | Standard | |
| 671 | 52359 | West Chester | Washington County | IA | US | Standard | |
| 672 | 52540 | Brighton | Washington County | IA | US | Standard | |
| 673 | 52621 | Crawfordsville | Crawfordsvlle | Washington County | IA | US | Standard |
| 674 | 52162 | Postville | Allamakee County | IA | US | Standard | |
| 675 | 52170 | Waterville | Allamakee County | IA | US | Standard | |
| 676 | 52172 | Waukon | Allamakee County | IA | US | Standard | |
| 677 | 52216 | Clarence | Cedar County | IA | US | Standard | |
| 678 | 52255 | Lowden | Cedar County | IA | US | Standard | |
| 679 | 52337 | Stanwood | Cedar County | IA | US | Standard | |
| 680 | 52721 | Bennett | Cedar County | IA | US | Standard | |
| 681 | 52747 | Durant | Cedar County | IA | US | Standard | |
| 682 | 52042 | Edgewood | Littleport | Clayton County | IA | US | Standard |
| 683 | 52043 | Elkader | Clayton County | IA | US | Standard | |
| 684 | 52044 | Elkport | Clayton County | IA | US | Standard | |
| 685 | 52047 | Farmersburg | Clayton County | IA | US | Standard | |
| 686 | 52048 | Garber | Clayton County | IA | US | Standard | |
| 687 | 52072 | Saint Olaf | Clayton County | IA | US | Standard | |
| 688 | 52076 | Strawberry Point | Clayton County | IA | US | Standard | |
| 689 | 52077 | Volga | Clayton County | IA | US | Standard | |
| 690 | 52156 | Luana | Clayton County | IA | US | Standard | |
| 691 | 52158 | Marquette | Clayton County | IA | US | PO.BOX | |
| 692 | 52159 | Monona | Clayton County | IA | US | Standard | |
| 693 | 52037 | Delmar | Clinton County | IA | US | Standard | |
| 694 | 52254 | Lost Nation, Elwood | Clinton County | IA | US | Standard | |
| 695 | 52701 | Andover | Clinton County | IA | US | PO.BOX | |
| 696 | 52727 | Bryant | Clinton County | IA | US | Standard | |
| 697 | 52729 | Calamus | Clinton County | IA | US | Standard | |
| 698 | 52731 | Charlotte | Clinton County | IA | US | Standard | |
| 699 | 52733 | Clinton | Clinton County | IA | US | PO.BOX | |
| 700 | 52734 | Clinton | Clinton County | IA | US | Standard | |
| 701 | 52736 | Clinton | Clinton County | IA | US | Standard | |
| 702 | 52742 | De Witt | Clinton County | IA | US | Standard | |
| 703 | 52750 | Goose Lake | Clinton County | IA | US | Standard | |
| 704 | 52751 | Grand Mound | Clinton County | IA | US | Standard | |
| 705 | 52757 | Low Moor | Clinton County | IA | US | PO.BOX | |
| 706 | 52771 | Teeds Grove, Clinton | Clinton County | IA | US | Standard | |
| 707 | 52774 | Welton | Clinton County | IA | US | PO.BOX | |
| 708 | 52777 | Wheatland, Toronto | Clinton County | IA | US | Standard | |
| 709 | 52035 | Colesburg | Delaware County | IA | US | Standard | |
| 710 | 52036 | Delaware | Delaware County | IA | US | Standard | |
| 711 | 52038 | Dundee | Delaware County | IA | US | Standard | |
| 712 | 52041 | Earlville | Delaware County | IA | US | Standard | |
| 713 | 52050 | Greeley | Delaware County | IA | US | Standard | |
| 714 | 52057 | Manchester | Delaware County | IA | US | Standard | |
| 715 | 52223 | Delhi | Delaware County | IA | US | Standard | |
| 716 | 52002 | Dubuque, Asbury | Dubuque County | IA | US | Standard | |
| 717 | 52004 | Dubuque | Dubuque County | IA | US | PO.BOX | |
| 718 | 52032 | Bernard | Dubuque County | IA | US | Standard | |
| 719 | 52039 | Durango | Dubuque County | IA | US | Standard | |
| 720 | 52040 | Dyersville | Dubuque County | IA | US | Standard | |
| 721 | 52045 | Epworth | Dubuque County | IA | US | Standard | |
| 722 | 52046 | Farley | Dubuque County | IA | US | Standard | |
| 723 | 52053 | Holy Cross | Dubuque County | IA | US | Standard | |
| 724 | 52056 | Luxemburg | Dubuque County | IA | US | PO.BOX | |
| 725 | 52065 | New Vienna | Dubuque County | IA | US | Standard | |
| 726 | 52068 | Peosta | Dubuque County | IA | US | Standard | |
| 727 | 52078 | Worthington | Dubuque County | IA | US | Standard | |
| 728 | 52099 | Dubuque | Dubuque County | IA | US | Standard | |
| 729 | 50606 | Arlington | Fayette County | IA | US | Standard | |
| 730 | 52135 | Clermont | Fayette County | IA | US | Standard | |
| 731 | 52141 | Elgin | Fayette County | IA | US | Standard | |
| 732 | 52142 | Fayette | Fayette County | IA | US | Standard | |
| 733 | 52147 | Hawkeye | Fayette County | IA | US | Standard | |
| 734 | 52164 | Randalia | Fayette County | IA | US | Standard | |
| 735 | 52166 | Saint Lucas | Fayette County | IA | US | PO.BOX | |
| 736 | 52169 | Wadena | Fayette County | IA | US | Standard | |
| 737 | 52175 | West Union | Auburn Douglas, Douglas, Eldorado | Fayette County | IA | US | Standard |
| 738 | 52163 | Protivin | Howard County | IA | US | PO.BOX | |
| 739 | 52030 | Andrew | Jackson County | IA | US | PO.BOX | |
| 740 | 52054 | La Motte | Jackson County | IA | US | Standard | |
| 741 | 52060 | Maquoketa | Jackson County | IA | US | Standard | |
| 742 | 52064 | Miles, Green Island | Jackson County | IA | US | Standard | |
| 743 | 52069 | Preston | Jackson County | IA | US | Standard | |
| 744 | 52071 | Saint Donatus | Jackson County | IA | US | PO.BOX | |
| 745 | 52074 | Spragueville | Jackson County | IA | US | Standard | |
| 746 | 52075 | Springbrook | Jackson County | IA | US | PO.BOX | |
| 747 | 52079 | Zwingle | Jackson County | IA | US | Standard | |
| 748 | 52207 | Baldwin | Jackson County | IA | US | Standard | |
| 749 | 52309 | Monmouth | Jackson County | IA | US | Standard | |
| 750 | 52321 | Onslow | Jones County | IA | US | Standard | |
| 751 | 52323 | Oxford Junction | Oxford Jct | Jones County | IA | US | Standard |
| 752 | 52749 | Fruitland | Muscatine County | IA | US | Standard | |
| 753 | 52759 | Montpelier | Muscatine County | IA | US | Standard | |
| 754 | 52769 | Stockton | Muscatine County | IA | US | Standard | |
| 755 | 52778 | Wilton | Muscatine County | IA | US | Standard | |
| 756 | 52726 | Blue Grass | Scott County | IA | US | Standard | |
| 757 | 52745 | Dixon | Big Rock | Scott County | IA | US | Standard |
| 758 | 52746 | Donahue | Scott County | IA | US | Standard | |
| 759 | 52748 | Eldridge | Scott County | IA | US | Standard | |
| 760 | 52756 | Long Grove | Scott County | IA | US | Standard | |
| 761 | 52758 | Mc Causland | Scott County | IA | US | PO.BOX | |
| 762 | 52765 | New Liberty | Scott County | IA | US | Standard | |
| 763 | 52773 | Maysville | Walcott | Scott County | IA | US | Standard |
| 764 | 52804 | Davenport | Desmond Acres | Scott County | IA | US | Standard |
| 765 | 52805 | Davenport | Scott County | IA | US | PO.BOX | |
| 766 | 52806 | Davenport | Scott County | IA | US | Standard | |
| 767 | 52807 | Davenport | Scott County | IA | US | Standard | |
| 768 | 52808 | Davenport | Scott County | IA | US | PO.BOX | |
| 769 | 52809 | Davenport | Scott County | IA | US | PO.BOX | |
| 770 | 52132 | Calmar | Winneshiek County | IA | US | Standard | |
| 771 | 52133 | Castalia | Winneshiek County | IA | US | Standard | |
| 772 | 52144 | Festina | Fort Atkinson | Winneshiek County | IA | US | Standard |
| 773 | 52149 | Highlandville | Winneshiek County | IA | US | PO.BOX | |
| 774 | 52161 | Ossian | Winneshiek County | IA | US | Standard | |
| 775 | 52165 | Ridgeway | Winneshiek County | IA | US | Standard | |
| 776 | 52168 | Spillville | Winneshiek County | IA | US | PO.BOX | |
| 777 | 50002 | Adair | Adair County | IA | US | Standard | |
| 778 | 50837 | Bridgewater | Adair County | IA | US | Standard | |
| 779 | 50849 | Greenfield | Adair County | IA | US | Standard | |
| 780 | 50858 | Orient | Adair County | IA | US | Standard | |
| 781 | 50841 | Corning | Adams County | IA | US | Standard | |
| 782 | 50857 | Nodaway | Adams County | IA | US | Standard | |
| 783 | 52140 | Dorchester | Allamakee County | IA | US | Standard | |
| 784 | 52146 | Harpers Ferry | Allamakee County | IA | US | Standard | |
| 785 | 52151 | Lansing | Allamakee County | IA | US | Standard | |
| 786 | 52160 | New Albin | Allamakee County | IA | US | Standard | |
| 787 | 52549 | Cincinnati | Appanoose County | IA | US | Standard | |
| 788 | 52555 | Exline | Appanoose County | IA | US | Standard | |
| 789 | 52572 | Moulton | Appanoose County | IA | US | Standard | |
| 790 | 50982 | Des Moines | Area Code 515 | IA | US | Standard | |
| 791 | 50983 | Des Moines | Area Code 515 | IA | US | Standard | |
| 792 | 50025 | Audubon | Audubon County | IA | US | Standard | |
| 793 | 50076 | Exira | Audubon County | IA | US | Standard | |
| 794 | 50117 | Hamlin | Audubon County | IA | US | Standard | |
| 795 | 52208 | Belle Plaine | Benton County | IA | US | Standard | |
| 796 | 50666 | Plainfield | Bremer County | IA | US | Standard | |
| 797 | 50668 | Readlyn | Bremer County | IA | US | Standard | |
| 798 | 50674 | Sumner | Bremer County | IA | US | Standard | |
| 799 | 50676 | Tripoli | Bremer County | IA | US | Standard | |
| 800 | 50607 | Aurora | Buchanan County | IA | US | Standard | |
| 801 | 50641 | Hazleton | Buchanan County | IA | US | Standard | |
| 802 | 50650 | Lamont | Buchanan County | IA | US | Standard | |
| 803 | 50671 | Stanley | Buchanan County | IA | US | Standard | |
| 804 | 50682 | Winthrop | Buchanan County | IA | US | Standard | |
| 805 | 50602 | Allison | Butler County | IA | US | Standard | |
| 806 | 50604 | Aplington | Butler County | IA | US | Standard | |
| 807 | 50619 | Clarksville | Butler County | IA | US | Standard | |
| 808 | 50636 | Greene | Butler County | IA | US | Standard | |
| 809 | 50538 | Farnhamville, Rinard | Calhoun County | IA | US | Standard | |
| 810 | 50552 | Knierim | Calhoun County | IA | US | PO.BOX | |
| 811 | 50563 | Manson | Calhoun County | IA | US | Standard | |
| 812 | 50579 | Rockwell City | Calhoun County | IA | US | Standard | |
| 813 | 50586 | Somers | Calhoun County | IA | US | Standard | |
| 814 | 51453 | Lohrville | Calhoun County | IA | US | Standard | |
| 815 | 50020 | Anita | Cass County | IA | US | Standard | |
| 816 | 50843 | Cumberland | Cass County | IA | US | Standard | |
| 817 | 50853 | Massena | Cass County | IA | US | Standard | |
| 818 | 52306 | Mechanicsville | Cedar County | IA | US | Standard | |
| 819 | 52358 | West Branch | Cedar County | IA | US | Standard | |
| 820 | 52772 | Tipton | Cedar County | IA | US | Standard | |
| 821 | 50630 | Fredericksburg | Fredericksbrg | Chickasaw County | IA | US | Standard |
| 822 | 50645 | Ionia | Chickasaw County | IA | US | Standard | |
| 823 | 50658 | Nashua | Chickasaw County | IA | US | Standard | |
| 824 | 50659 | New Hampton | North Washington | Chickasaw County | IA | US | Standard |
| 825 | 52154 | Lawler | Chickasaw County | IA | US | Standard | |
| 826 | 52049 | Garnavillo, Clayton | Clayton County | IA | US | Standard | |
| 827 | 52052 | Guttenberg | Clayton County | IA | US | Standard | |
| 828 | 52066 | North Buena Vista | Clayton County | IA | US | Standard | |
| 829 | 52157 | Mc Gregor | Clayton County | IA | US | Standard | |
| 830 | 52730 | Camanche | Clinton County | IA | US | Standard | |
| 831 | 52732 | Clinton | Clinton County | IA | US | Standard | |
| 832 | ZIP Code | Common Cities | County | IA | US | Standard | |
| 833 | 50066 | Dawson | Dallas County | IA | US | Standard | |
| 834 | 50070 | Dexter | Dallas County | IA | US | Standard | |
| 835 | 50146 | Linden | Dallas County | IA | US | Standard | |
| 836 | 50233 | Redfield | Dallas County | IA | US | Standard | |
| 837 | 52537 | Bloomfield | West Grove | Davis County | IA | US | Standard |
| 838 | 52560 | Floris | Davis County | IA | US | Standard | |
| 839 | 52584 | Pulaski | Davis County | IA | US | Standard | |
| 840 | 50065 | Davis City | Pleasanton | Decatur County | IA | US | Standard |
| 841 | 50140 | Lamoni | Decatur County | IA | US | Standard | |
| 842 | 50654 | Masonville | Delaware County | IA | US | Standard | |
| 843 | 52237 | Hopkinton | Delaware County | IA | US | Standard | |
| 844 | 52330 | Ryan | Delaware County | IA | US | Standard | |
| 845 | 52601 | Burlington | Des Moines County | IA | US | Standard | |
| 846 | 51347 | Lake Park | Dickinson County | IA | US | Standard | |
| 847 | 51360 | Spirit Lake | Orleans | Dickinson County | IA | US | Standard |
| 848 | 52001 | Dubuque | Dubuque County | IA | US | Standard | |
| 849 | 52003 | Dubuque | Dubuque County | IA | US | Standard | |
| 850 | 52033 | Cascade | Dubuque County | IA | US | Standard | |
| 851 | 52073 | Sherrill | Dubuque County | IA | US | Standard | |
| 852 | 50514 | Armstrong | Emmet County | IA | US | Standard | |
| 853 | 50531 | Dolliver | Emmet County | IA | US | Standard | |
| 854 | 50578 | Ringsted | Emmet County | IA | US | Standard | |
| 855 | 51334 | Estherville | Gruver | Emmet County | IA | US | Standard |
| 856 | 50655 | Maynard | Fayette County | IA | US | Standard | |
| 857 | 50662 | Oelwein | Fayette County | IA | US | Standard | |
| 858 | 50681 | Westgate | Fayette County | IA | US | Standard | |
| 859 | 52171 | Waucoma | Alpha | Fayette County | IA | US | Standard |
| 860 | 50441 | Hansell | Hampton | Franklin County | IA | US | Standard |
| 861 | 51640 | Hamburg | Fremont County | IA | US | Standard | |
| 862 | 51648 | Percival | Fremont County | IA | US | Standard | |
| 863 | 51654 | Bartlett | Thurman | Fremont County | IA | US | Standard |
| 864 | 50050 | Churdan | Greene County | IA | US | Standard | |
| 865 | 50129 | Jefferson | Greene County | IA | US | Standard | |
| 866 | 51462 | Scranton | Greene County | IA | US | Standard | |
| 867 | 50609 | Beaman | Grundy County | IA | US | Standard | |
| 868 | 50621 | Conrad | Grundy County | IA | US | Standard | |
| 869 | 50638 | Grundy Center | Grundy County | IA | US | Standard | |
| 870 | 50642 | Holland | Grundy County | IA | US | Standard | |
| 871 | 50669 | Reinbeck | Grundy County | IA | US | Standard | |
| 872 | 50680 | Wellsburg | Grundy County | IA | US | Standard | |
| 873 | 50026 | Bagley | Guthrie County | IA | US | Standard | |
| 874 | 50029 | Bayard | Guthrie County | IA | US | Standard | |
| 875 | 50048 | Casey | Guthrie County | IA | US | Standard | |
| 876 | 50115 | Guthrie Center | Guthrie County | IA | US | Standard | |
| 877 | 50128 | Jamaica | Guthrie County | IA | US | Standard | |
| 878 | 50164 | Menlo | Guthrie County | IA | US | Standard | |
| 879 | 50216 | Panora | Guthrie County | IA | US | Standard | |
| 880 | 50250 | Stuart | Guthrie County | IA | US | Standard | |
| 881 | 50277 | Yale | Guthrie County | IA | US | Standard | |
| 882 | 50430 | Corwith | Hancock County | IA | US | Standard | |
| 883 | 50447 | Kanawha | Hancock County | IA | US | Standard | |
| 884 | 50484 | Woden | Hancock County | IA | US | Standard | |
| 885 | 50006 | Alden, Buckeye | Hardin County | IA | US | Standard | |
| 886 | 50122 | Hubbard | Hardin County | IA | US | Standard | |
| 887 | 50126 | Iowa Falls | Hardin County | IA | US | Standard | |
| 888 | 50601 | Ackley | Hardin County | IA | US | Standard | |
| 889 | 50627 | Eldora | Hardin County | IA | US | Standard | |
| 890 | 51545 | Little Sioux | Harrison County | IA | US | Standard | |
| 891 | 51555 | Missouri Valley | Harrison County | IA | US | Standard | |
| 892 | 51556 | Modale | Harrison County | IA | US | Standard | |
| 893 | 51557 | Mondamin | Harrison County | IA | US | Standard | |
| 894 | 50628 | Elma | Howard County | IA | US | Standard | |
| 895 | 52134 | Chester | Howard County | IA | US | Standard | |
| 896 | 52136 | Cresco | Howard County | IA | US | Standard | |
| 897 | 52155 | Lime Springs | Saratoga | Howard County | IA | US | Standard |
| 898 | 50520 | Bradgate | Humboldt County | IA | US | Standard | |
| 899 | 50541 | Gilmore City | Humboldt County | IA | US | Standard | |
| 900 | 50570 | Ottosen | Humboldt County | IA | US | Standard | |
| 901 | 50577 | Renwick | Humboldt County | IA | US | Standard | |
| 902 | 52347 | Victor | Iowa County | IA | US | Standard | |
| 903 | 52031 | Bellevue | Jackson County | IA | US | Standard | |
| 904 | 52070 | Sabula | Jackson County | IA | US | Standard | |
| 905 | 50054 | Colfax | Jasper County | IA | US | Standard | |
| 906 | 50168 | Mingo | Jasper County | IA | US | Standard | |
| 907 | 50170 | Monroe | Jasper County | IA | US | Standard | |
| 908 | 50208 | Newton | Jasper County | IA | US | Standard | |
| 909 | 50228 | Prairie City | Jasper County | IA | US | Standard | |
| 910 | 52533 | Batavia | Jefferson County | IA | US | Standard | |
| 911 | 52556 | Fairfield | Maharishi Vedic City, Vedic City | Jefferson County | IA | US | Standard |
| 912 | 52580 | Packwood | Jefferson County | IA | US | Standard | |
| 913 | 52635 | Lockridge | Jefferson County | IA | US | Standard | |
| 914 | 52333 | Solon | Johnson County | IA | US | Standard | |
| 915 | 52205 | Anamosa | Jones County | IA | US | Standard | |
| 916 | 52212 | Center Junctio | Center Jct | Jones County | IA | US | Standard |
| 917 | 52310 | Monticello | Scotch Grove | Jones County | IA | US | Standard |
| 918 | 52320 | Olin | Jones County | IA | US | Standard | |
| 919 | 52362 | Wyoming, Hale | Jones County | IA | US | Standard | |
| 920 | 50136 | Keswick | Keokuk County | IA | US | Standard | |
| 921 | 50268 | What Cheer | Keokuk County | IA | US | Standard | |
| 922 | 52231 | Harper | Keokuk County | IA | US | Standard | |
| 923 | 52248 | Keota | Keokuk County | IA | US | Standard | |
| 924 | 52335 | South English, Kinross | Keokuk County | IA | US | Standard | |
| 925 | 52355 | Webster | Keokuk County | IA | US | Standard | |
| 926 | 52563 | Hedrick | Keokuk County | IA | US | Standard | |
| 927 | 52576 | Ollie | Keokuk County | IA | US | Standard | |
| 928 | 52585 | Richland, Rubio | Keokuk County | IA | US | Standard | |
| 929 | 52591 | Sigourney | Keokuk County | IA | US | Standard | |
| 930 | 50480 | Titonka | Kossuth County | IA | US | Standard | |
| 931 | 50483 | Wesley | Kossuth County | IA | US | Standard | |
| 932 | 50539 | Fenton | Kossuth County | IA | US | Standard | |
| 933 | 50598 | Whittemore | Kossuth County | IA | US | Standard | |
| 934 | 52619 | Argyle | Lee County | IA | US | Standard | |
| 935 | 52627 | Fort Madison | Lee County | IA | US | Standard | |
| 936 | 52632 | Keokuk | Lee County | IA | US | Standard | |
| 937 | 52658 | Wever | Lee County | IA | US | Standard | |
| 938 | 52218 | Coggon | Linn County | IA | US | Standard | |
| 939 | 52253 | Lisbon | Linn County | IA | US | Standard | |
| 940 | 52646 | Oakville | Louisa County | IA | US | Standard | |
| 941 | 52653 | Wapello | Louisa County | IA | US | Standard | |
| 942 | 52754 | Letts | Louisa County | IA | US | Standard | |
| 943 | 51240 | Inwood | Lyon County | IA | US | Standard | |
| 944 | 51241 | Larchwood | Lyon County | IA | US | Standard | |
| 945 | 51243 | Little Rock | Lyon County | IA | US | Standard | |
| 946 | 51246 | Rock Rapids | Lyon County | IA | US | Standard | |
| 947 | 50155 | Macksburg | Madison County | IA | US | Standard | |
| 948 | 50222 | Peru, East Peru | Madison County | IA | US | Standard | |
| 949 | 50240 | Saint Charles | Madison County | IA | US | Standard | |
| 950 | 50273 | Winterset | Madison County | IA | US | Standard | |
| 951 | 50062 | Melcher Dallas | Dallas, Melcher Dal | Marion County | IA | US | Standard |
| 952 | 50138 | Knoxville | Pershing | Marion County | IA | US | Standard |
| 953 | 50214 | Otley | Marion County | IA | US | Standard | |
| 954 | 50225 | Pleasantville | Marion County | IA | US | Standard | |
| 955 | 50252 | Swan | Marion County | IA | US | Standard | |
| 956 | 50247 | State Center | Marshall County | IA | US | Standard | |
| 957 | 51561 | Pacific Junction | Mills County | IA | US | Standard | |
| 958 | 50455 | Mc Intire | Mitchell County | IA | US | Standard | |
| 959 | 50466 | Riceville | Mitchell County | IA | US | Standard | |
| 960 | 50472 | Saint Ansgar | Mitchell County | IA | US | Standard | |
| 961 | 50476 | Stacyville | Mitchell County | IA | US | Standard | |
| 962 | 51040 | Onawa, Turin | Monona County | IA | US | Standard | |
| 963 | 51063 | Whiting | Monona County | IA | US | Standard | |
| 964 | 51523 | Blencoe | Monona County | IA | US | Standard | |
| 965 | 50864 | Villisca | Montgomery County | IA | US | Standard | |
| 966 | 52720 | Atalissa | Muscatine County | IA | US | Standard | |
| 967 | 52760 | Moscow | Muscatine County | IA | US | Standard | |
| 968 | 52761 | Muscatine | Muscatine County | IA | US | Standard | |
| 969 | 52766 | Nichols | Muscatine County | IA | US | Standard | |
| 970 | 52776 | West Liberty | Muscatine County | IA | US | Standard | |
| 971 | 51249 | Sibley | Osceola County | IA | US | Standard | |
| 972 | 51345 | Harris | Osceola County | IA | US | Standard | |
| 973 | 51354 | Ocheyedan | Allendorf, May City | Osceola County | IA | US | Standard |
| 974 | 51630 | Blanchard | Page County | IA | US | Standard | |
| 975 | 51631 | Braddyville | Page County | IA | US | Standard | |
| 976 | 51647 | Northboro | Page County | IA | US | Standard | |
| 977 | 50528 | Cylinder | Palo Alto County | IA | US | Standard | |
| 978 | 50536 | Emmetsburg | Palo Alto County | IA | US | Standard | |
| 979 | 50562 | Mallard | Palo Alto County | IA | US | Standard | |
| 980 | 50597 | West Bend | Palo Alto County | IA | US | Standard | |
| 981 | 51001 | Akron | Plymouth County | IA | US | Standard | |
| 982 | 51062 | Westfield | Plymouth County | IA | US | Standard | |
| 983 | 50571 | Palmer | Pocahontas County | IA | US | Standard | |
| 984 | 50581 | Rolfe | Pocahontas County | IA | US | Standard | |
| 985 | 50237 | Runnells | Polk County | IA | US | Standard | |
| 986 | 51501 | Council Bluffs | Council Blfs, Manawa | Pottawattamie County | IA | US | Standard |
| 987 | 51503 | Council Bluffs | Pottawattamie County | IA | US | Standard | |
| 988 | 51510 | Carter Lake | Pottawattamie County | IA | US | Standard | |
| 989 | 51526 | Crescent | Pottawattamie County | IA | US | Standard | |
| 990 | 52221 | Guernsey | Poweshiek County | IA | US | Standard | |
| 991 | 52222 | Deep River | Poweshiek County | IA | US | Standard | |
| 992 | 52232 | Hartwick | Poweshiek County | IA | US | Standard | |
| 993 | 50854 | Mount Ayr | Ringgold County | IA | US | Standard | |
| 994 | 50860 | Redding | Delphos | Ringgold County | IA | US | Standard |
| 995 | 52722 | Bettendorf | Riverdale | Scott County | IA | US | Standard |
| 996 | 52728 | Buffalo | Scott County | IA | US | PO.BOX | |
| 997 | 52753 | Le Claire, Leclaire | Scott County | IA | US | Standard | |
| 998 | 52767 | Pleasant Valley | Scott County | IA | US | PO.BOX | |
| 999 | 52768 | Princeton | Scott County | IA | US | Standard | |
| 1000 | 52801 | Davenport | Scott County | IA | US | Standard | |
| 1001 | 52802 | Davenport | Scott County | IA | US | Standard | |
| 1002 | 52803 | Davenport | Scott County | IA | US | Standard | |
| 1003 | 51023 | Hawarden | Sioux County | IA | US | Standard | |
| 1004 | 51247 | Rock Valley | Sioux County | IA | US | Standard | |
| 1005 | 50055 | Collins | Story County | IA | US | Standard | |
| 1006 | 50056 | Colo | Story County | IA | US | Standard | |
| 1007 | 50154 | Mc Callsburg | Story County | IA | US | Standard | |
| 1008 | 50161 | Maxwell | Story County | IA | US | Standard | |
| 1009 | 50201 | Nevada | Story County | IA | US | Standard | |
| 1010 | 50278 | Zearing | Story County | IA | US | Standard | |
| 1011 | 50635 | Gladbrook | Tama County | IA | US | Standard | |
| 1012 | 50652 | Lincoln | Tama County | IA | US | PO.BOX | |
| 1013 | 50675 | Traer | Tama County | IA | US | Standard | |
| 1014 | 52215 | Chelsea | Tama County | IA | US | Standard | |
| 1015 | 52225 | Elberon | Tama County | IA | US | Standard | |
| 1016 | 52342 | Toledo | Tama County | IA | US | Standard | |
| 1017 | 50833 | Bedford | Taylor County | IA | US | Standard | |
| 1018 | 50836 | Blockton | Maloy | Taylor County | IA | US | Standard |
| 1019 | 50851 | Lenox | Kent | Taylor County | IA | US | Standard |
| 1020 | 50862 | Sharpsburg | Taylor County | IA | US | Standard | |
| 1021 | 52535 | Birmingham | Van Buren County | IA | US | Standard | |
| 1022 | 52542 | Cantril | Van Buren County | IA | US | Standard | |
| 1023 | 52551 | Douds | Van Buren County | IA | US | Standard | |
| 1024 | 52565 | Keosauqua | Van Buren County | IA | US | Standard | |
| 1025 | 52570 | Milton | Van Buren County | IA | US | Standard | |
| 1026 | 52573 | Mount Sterling | Van Buren County | IA | US | Standard | |
| 1027 | 52588 | Selma | Van Buren County | IA | US | Standard | |
| 1028 | 52620 | Bonaparte | Van Buren County | IA | US | Standard | |
| 1029 | 52626 | Farmington | Van Buren County | IA | US | Standard | |
| 1030 | 52651 | Stockport | Van Buren County | IA | US | Standard | |
| 1031 | 50001 | Ackworth | Warren County | IA | US | Standard | |
| 1032 | 50125 | Indianola | Spring Hill | Warren County | IA | US | Standard |
| 1033 | 50139 | Lacona | Warren County | IA | US | Standard | |
| 1034 | 50160 | Martensdale | Warren County | IA | US | Standard | |
| 1035 | 50166 | Milo | Warren County | IA | US | Standard | |
| 1036 | 50210 | New Virginia | Warren County | IA | US | Standard | |
| 1037 | 50229 | Prole | Warren County | IA | US | Standard | |
| 1038 | 50008 | Allerton | Wayne County | IA | US | Standard | |
| 1039 | 50060 | Corydon, Sewal | Wayne County | IA | US | Standard | |
| 1040 | 50147 | Lineville | Wayne County | IA | US | Standard | |
| 1041 | 52590 | Seymour | Wayne County | IA | US | Standard | |
| 1042 | 50518 | Barnum | Webster County | IA | US | Standard | |
| 1043 | 50524 | Clare | Webster County | IA | US | Standard | |
| 1044 | 50543 | Gowrie | Webster County | IA | US | Standard | |
| 1045 | 50424 | Buffalo Center | Winnebago County | IA | US | Standard | |
| 1046 | 50450 | Lake Mills | Winnebago County | IA | US | Standard | |
| 1047 | 50465 | Rake | Winnebago County | IA | US | PO.BOX | |
| 1048 | 50473 | Scarville | Winnebago County | IA | US | Standard | |
| 1049 | 50478 | Thompson | Winnebago County | IA | US | Standard | |
| 1050 | 52101 | Decorah | Burr Oak | Winneshiek County | IA | US | Standard |
| 1051 | 51052 | Salix | Woodbury County | IA | US | Standard | |
| 1052 | 51054 | Sergeant Bluff | Woodbury County | IA | US | Standard | |
| 1053 | 51055 | Sloan | Woodbury County | IA | US | Standard | |
| 1054 | 51103 | Sioux City | Woodbury County | IA | US | Standard | |
| 1055 | 51106 | Sioux City | Woodbury County | IA | US | Standard | |
| 1056 | 51109 | Sioux City | Woodbury County | IA | US | Standard | |
| 1057 | 51111 | Sioux City | Woodbury County | IA | US | Standard | |
| 1058 | 50459 | Northwood | Worth County | IA | US | Standard | |
| 1059 | 50071 | Dows | Wright County | IA | US | Standard | |
| 1060 | 50101 | Galt | Wright County | IA | US | Standard | |
| 1061 | 50421 | Belmond | Wright County | IA | US | Standard | |
| 1062 | 50470 | Rowan | Wright County | IA | US | Standard | |
| 1063 | 50525 | Clarion | Wright County | IA | US | Standard | |
| 1064 | 50542 | Goldfield | Wright County | IA | US | Standard |
Frequently Asked Questions
What is Des Moines, Iowa ZIP Code?
- Des Moines, Iowa has multiple ZIP Codes depending on the specific area. The primary and most commonly referenced ZIP Code for Des Moines is 50301, which is often used for official and central mail routing.
What is Davenport, Iowa ZIP Code?
- Davenport, Iowa also has multiple post codes codes with the most commonly used being 52801. Other Davenport ZIP Codes include 52802, 52803, 52804, 52806, and 52807, covering different parts of the city.
How many ZIP Codes are in Iowa?
- Iowa has over 1,000 active ZIP Codes, covering residential areas, businesses, PO Boxes, and rural routes across all counties.
Can Multiple Cities Share the Same ZIP Code in Iowa?
- Yes. In Iowa, one ZIP Code can cover multiple cities or towns, especially in rural areas. This is common and officially defined by the USPS.
How can I find my Iowa ZIP Code by county?
- You can find your Iowa ZIP Code by locating your county name in the list and viewing all ZIP Codes assigned to cities and neighborhoods within that county.