Updated Zip Codes for the State of Iowa
| Zip Code | County | City |
| 50001 | Warren | Ackworth |
| 50002 | Adair | Adair |
| 50003 | Dallas | Adel |
| 50005 | Marshall | Albion |
| 50006 | Hardin | Alden |
| 50007 | Polk | Alleman |
| 50008 | Wayne | Allerton |
| 50009 | Polk | Altoona |
| 50010 | Story | Ames |
| 50011 | Story | Ames |
| 50012 | Story | Ames |
| 50013 | Story | Ames |
| 50014 | Story | Ames |
| 50020 | Cass | Anita |
| 50021 | Polk | Ankeny |
| 50022 | Cass | Atlantic |
| 50023 | Polk | Ankeny |
| 50025 | Audubon | Audubon |
| 50026 | Guthrie | Bagley |
| 50027 | Mahaska | Barnes City |
| 50028 | Jasper | Baxter |
| 50029 | Guthrie | Bayard |
| 50031 | Boone | Beaver |
| 50032 | Polk | Berwick |
| 50033 | Madison | Bevington |
| 50034 | Hamilton | Blairsburg |
| 50035 | Polk | Bondurant |
| 50036 | Boone | Boone |
| 50037 | Boone | Boone |
| 50038 | Dallas | Booneville |
| 50039 | Dallas | Bouton |
| 50040 | Boone | Boxholm |
| 50041 | Franklin | Bradford |
| 50042 | Audubon | Brayton |
| 50043 | Hardin | Buckeye |
| 50044 | Marion | Bussey |
| 50046 | Story | Cambridge |
| 50047 | Warren | Carlisle |
| 50048 | Guthrie | Casey |
| 50049 | Lucas | Chariton |
| 50050 | Greene | Churdan |
| 50051 | Marshall | Clemons |
| 50052 | Wayne | Clio |
| 50054 | Jasper | Colfax |
| 50055 | Story | Collins |
| 50056 | Story | Colo |
| 50057 | Marion | Columbia |
| 50058 | Carroll | Coon Rapids |
| 50059 | Greene | Cooper |
| 50060 | Wayne | Corydon |
| 50061 | Warren | Cumming |
| 50062 | Marion | Dallas |
| 50063 | Dallas | Dallas Center |
| 50064 | Greene | Dana |
| 50065 | Decatur | Davis City |
| 50066 | Dallas | Dawson |
| 50067 | Decatur | Decatur |
| 50068 | Lucas | Derby |
| 50069 | Dallas | De Soto |
| 50070 | Dallas | Dexter |
| 50071 | Wright | Dows |
| 50072 | Madison | Earlham |
| 50073 | Polk | Elkhart |
| 50074 | Ringgold | Ellston |
| 50075 | Hamilton | Ellsworth |
| 50076 | Audubon | Exira |
| 50078 | Marshall | Ferguson |
| 50101 | Wright | Galt |
| 50102 | Hardin | Garden City |
| 50103 | Decatur | Garden Grove |
| 50104 | Keokuk | Gibson |
| 50105 | Story | Gilbert |
| 50106 | Marshall | Gilman |
| 50107 | Greene | Grand Junction |
| 50108 | Decatur | Grand River |
| 50109 | Dallas | Granger |
| 50110 | Audubon | Gray |
| 50111 | Polk | Grimes |
| 50112 | Poweshiek | Grinnell |
| 50115 | Guthrie | Guthrie Center |
| 50116 | Marion | Hamilton |
| 50117 | Audubon | Hamlin |
| 50118 | Warren | Hartford |
| 50119 | Marion | Harvey |
| 50120 | Marshall | Haverhill |
| 50122 | Hardin | Hubbard |
| 50123 | Wayne | Humeston |
| 50124 | Story | Huxley |
| 50125 | Warren | Indianola |
| 50126 | Hardin | Iowa Falls |
| 50127 | Jasper | Ira |
| 50128 | Guthrie | Jamaica |
| 50129 | Greene | Jefferson |
| 50130 | Hamilton | Jewell |
| 50131 | Polk | Johnston |
| 50132 | Hamilton | Kamrar |
| 50133 | Ringgold | Kellerton |
| 50134 | Story | Kelley |
| 50135 | Jasper | Kellogg |
| 50136 | Keokuk | Keswick |
| 50137 | Jasper | Killduff |
| 50138 | Marion | Knoxville |
| 50139 | Warren | Lacona |
| 50140 | Decatur | Lamoni |
| 50141 | Marshall | Laurel |
| 50142 | Marshall | Le Grand |
| 50143 | Mahaska | Leighton |
| 50144 | Decatur | Leon |
| 50145 | Warren | Liberty Center |
| 50146 | Dallas | Linden |
| 50147 | Wayne | Lineville |
| 50148 | Marshall | Liscomb |
| 50149 | Union | Lorimor |
| 50150 | Monroe | Lovilia |
| 50151 | Lucas | Lucas |
| 50152 | Boone | Luther |
| 50153 | Jasper | Lynnville |
| 50154 | Story | Mc Callsburg |
| 50155 | Madison | Macksburg |
| 50156 | Boone | Madrid |
| 50157 | Poweshiek | Malcom |
| 50158 | Marshall | Marshalltown |
| 50160 | Warren | Martensdale |
| 50161 | Story | Maxwell |
| 50162 | Marshall | Melbourne |
| 50163 | Marion | Melcher |
| 50164 | Guthrie | Menlo |
| 50165 | Wayne | Millerton |
| 50166 | Warren | Milo |
| 50167 | Dallas | Minburn |
| 50168 | Jasper | Mingo |
| 50169 | Polk | Mitchellville |
| 50170 | Jasper | Monroe |
| 50171 | Poweshiek | Montezuma |
| 50173 | Tama | Montour |
| 50174 | Clarke | Murray |
| 50201 | Story | Nevada |
| 50206 | Hardin | New Providence |
| 50207 | Mahaska | New Sharon |
| 50208 | Jasper | Newton |
| 50210 | Warren | New Virginia |
| 50211 | Warren | Norwalk |
| 50212 | Boone | Ogden |
| 50213 | Clarke | Osceola |
| 50214 | Marion | Otley |
| 50216 | Guthrie | Panora |
| 50217 | Greene | Paton |
| 50218 | Madison | Patterson |
| 50219 | Marion | Pella |
| 50220 | Dallas | Perry |
| 50222 | Madison | Peru |
| 50223 | Boone | Pilot Mound |
| 50225 | Marion | Pleasantville |
| 50226 | Polk | Polk City |
| 50227 | Franklin | Popejoy |
| 50228 | Jasper | Prairie City |
| 50229 | Warren | Prole |
| 50230 | Hardin | Radcliffe |
| 50231 | Hamilton | Randall |
| 50232 | Jasper | Reasnor |
| 50233 | Dallas | Redfield |
| 50234 | Marshall | Rhodes |
| 50235 | Greene | Rippey |
| 50236 | Story | Roland |
| 50237 | Polk | Runnells |
| 50238 | Lucas | Russell |
| 50239 | Marshall | Saint Anthony |
| 50240 | Madison | Saint Charles |
| 50241 | Warren | Saint Marys |
| 50242 | Poweshiek | Searsboro |
| 50243 | Polk | Sheldahl |
| 50244 | Story | Slater |
| 50246 | Hamilton | Stanhope |
| 50247 | Marshall | State Center |
| 50248 | Story | Story City |
| 50249 | Hamilton | Stratford |
| 50250 | Guthrie | Stuart |
| 50251 | Jasper | Sully |
| 50252 | Marion | Swan |
| 50254 | Union | Thayer |
| 50255 | Keokuk | Thornburg |
| 50256 | Marion | Tracy |
| 50257 | Madison | Truro |
| 50258 | Hardin | Union |
| 50259 | Hardin | Gifford |
| 50261 | Dallas | Van Meter |
| 50262 | Decatur | Van Wert |
| 50263 | Dallas | Waukee |
| 50264 | Decatur | Weldon |
| 50265 | Polk | West Des Moines |
| 50266 | Polk | West Des Moines |
| 50268 | Keokuk | What Cheer |
| 50269 | Hardin | Whitten |
| 50271 | Hamilton | Williams |
| 50272 | Lucas | Williamson |
| 50273 | Madison | Winterset |
| 50274 | Cass | Wiota |
| 50275 | Clarke | Woodburn |
| 50276 | Dallas | Woodward |
| 50277 | Guthrie | Yale |
| 50278 | Story | Zearing |
| 50301 | Polk | Des Moines |
| 50302 | Polk | Des Moines |
| 50303 | Polk | Des Moines |
| 50304 | Polk | Des Moines |
| 50305 | Polk | Des Moines |
| 50306 | Polk | Des Moines |
| 50307 | Polk | Des Moines |
| 50308 | Polk | Des Moines |
| 50309 | Polk | Des Moines |
| 50310 | Polk | Des Moines |
| 50311 | Polk | Des Moines |
| 50312 | Polk | Des Moines |
| 50313 | Polk | Des Moines |
| 50314 | Polk | Des Moines |
| 50315 | Polk | Des Moines |
| 50316 | Polk | Des Moines |
| 50317 | Polk | Des Moines |
| 50318 | Polk | Des Moines |
| 50319 | Polk | Des Moines |
| 50320 | Polk | Des Moines |
| 50321 | Polk | Des Moines |
| 50322 | Polk | Urbandale |
| 50323 | Polk | Urbandale |
| 50325 | Polk | Clive |
| 50327 | Polk | Des Moines |
| 50328 | Polk | Des Moines |
| 50329 | Polk | Des Moines |
| 50330 | Polk | Des Moines |
| 50331 | Polk | Des Moines |
| 50332 | Polk | Des Moines |
| 50333 | Polk | Des Moines |
| 50334 | Polk | Des Moines |
| 50335 | Polk | Des Moines |
| 50336 | Polk | Des Moines |
| 50339 | Polk | Des Moines |
| 50340 | Polk | Des Moines |
| 50347 | Polk | Des Moines |
| 50350 | Polk | Des Moines |
| 50359 | Polk | Des Moines |
| 50360 | Polk | Des Moines |
| 50361 | Polk | Des Moines |
| 50362 | Polk | Des Moines |
| 50363 | Polk | Des Moines |
| 50364 | Polk | Des Moines |
| 50367 | Polk | Des Moines |
| 50368 | Polk | Des Moines |
| 50369 | Polk | Des Moines |
| 50380 | Polk | Des Moines |
| 50381 | Polk | Des Moines |
| 50391 | Polk | Des Moines |
| 50392 | Polk | Des Moines |
| 50393 | Polk | Des Moines |
| 50394 | Polk | Des Moines |
| 50395 | Polk | Des Moines |
| 50396 | Polk | Des Moines |
| 50397 | Polk | Des Moines |
| 50398 | Polk | West Des Moines |
| 50401 | Cerro Gordo | Mason City |
| 50402 | Cerro Gordo | Mason City |
| 50420 | Franklin | Alexander |
| 50421 | Wright | Belmond |
| 50423 | Hancock | Britt |
| 50424 | Winnebago | Buffalo Center |
| 50426 | Mitchell | Carpenter |
| 50427 | Franklin | Chapin |
| 50428 | Cerro Gordo | Clear Lake |
| 50430 | Hancock | Corwith |
| 50431 | Franklin | Coulter |
| 50432 | Hancock | Crystal Lake |
| 50433 | Cerro Gordo | Dougherty |
| 50434 | Worth | Fertile |
| 50435 | Floyd | Floyd |
| 50436 | Winnebago | Forest City |
| 50438 | Hancock | Garner |
| 50439 | Hancock | Goodell |
| 50440 | Worth | Grafton |
| 50441 | Franklin | Hampton |
| 50444 | Worth | Hanlontown |
| 50446 | Worth | Joice |
| 50447 | Hancock | Kanawha |
| 50448 | Worth | Kensett |
| 50449 | Hancock | Klemme |
| 50450 | Winnebago | Lake Mills |
| 50451 | Kossuth | Lakota |
| 50452 | Franklin | Latimer |
| 50453 | Winnebago | Leland |
| 50454 | Mitchell | Little Cedar |
| 50455 | Mitchell | Mc Intire |
| 50456 | Worth | Manly |
| 50457 | Cerro Gordo | Meservey |
| 50458 | Floyd | Nora Springs |
| 50459 | Worth | Northwood |
| 50460 | Mitchell | Orchard |
| 50461 | Mitchell | Osage |
| 50464 | Cerro Gordo | Plymouth |
| 50465 | Winnebago | Rake |
| 50466 | Howard | Riceville |
| 50467 | Cerro Gordo | Rock Falls |
| 50468 | Floyd | Rockford |
| 50469 | Cerro Gordo | Rockwell |
| 50470 | Wright | Rowan |
| 50471 | Floyd | Rudd |
| 50472 | Mitchell | Saint Ansgar |
| 50473 | Winnebago | Scarville |
| 50475 | Franklin | Sheffield |
| 50476 | Mitchell | Stacyville |
| 50477 | Cerro Gordo | Swaledale |
| 50478 | Winnebago | Thompson |
| 50479 | Cerro Gordo | Thornton |
| 50480 | Kossuth | Titonka |
| 50481 | Mitchell | Toeterville |
| 50482 | Cerro Gordo | Ventura |
| 50483 | Kossuth | Wesley |
| 50484 | Hancock | Woden |
| 50501 | Webster | Fort Dodge |
| 50510 | Buena Vista | Albert City |
| 50511 | Kossuth | Algona |
| 50514 | Emmet | Armstrong |
| 50515 | Palo Alto | Ayrshire |
| 50516 | Webster | Badger |
| 50517 | Kossuth | Bancroft |
| 50518 | Webster | Barnum |
| 50519 | Humboldt | Bode |
| 50520 | Humboldt | Bradgate |
| 50521 | Webster | Burnside |
| 50522 | Kossuth | Burt |
| 50523 | Webster | Callender |
| 50524 | Webster | Clare |
| 50525 | Wright | Clarion |
| 50526 | Wright | Clarion |
| 50527 | Palo Alto | Curlew |
| 50528 | Palo Alto | Cylinder |
| 50529 | Humboldt | Dakota City |
| 50530 | Webster | Dayton |
| 50531 | Emmet | Dolliver |
| 50532 | Webster | Duncombe |
| 50533 | Wright | Eagle Grove |
| 50535 | Sac | Early |
| 50536 | Palo Alto | Emmetsburg |
| 50538 | Calhoun | Farnhamville |
| 50539 | Kossuth | Fenton |
| 50540 | Pocahontas | Fonda |
| 50541 | Humboldt | Gilmore City |
| 50542 | Wright | Goldfield |
| 50543 | Webster | Gowrie |
| 50544 | Webster | Harcourt |
| 50545 | Humboldt | Hardy |
| 50546 | Pocahontas | Havelock |
| 50548 | Humboldt | Humboldt |
| 50551 | Calhoun | Jolley |
| 50552 | Calhoun | Knierim |
| 50554 | Pocahontas | Laurens |
| 50556 | Kossuth | Ledyard |
| 50557 | Webster | Lehigh |
| 50558 | Humboldt | Livermore |
| 50559 | Kossuth | Lone Rock |
| 50560 | Kossuth | Lu Verne |
| 50561 | Calhoun | Lytton |
| 50562 | Palo Alto | Mallard |
| 50563 | Calhoun | Manson |
| 50565 | Buena Vista | Marathon |
| 50566 | Webster | Moorland |
| 50567 | Sac | Nemaha |
| 50568 | Buena Vista | Newell |
| 50569 | Webster | Otho |
| 50570 | Humboldt | Ottosen |
| 50571 | Pocahontas | Palmer |
| 50573 | Pocahontas | Plover |
| 50574 | Pocahontas | Pocahontas |
| 50575 | Calhoun | Pomeroy |
| 50576 | Buena Vista | Rembrandt |
| 50577 | Humboldt | Renwick |
| 50578 | Emmet | Ringsted |
| 50579 | Calhoun | Rockwell City |
| 50581 | Pocahontas | Rolfe |
| 50582 | Humboldt | Rutland |
| 50583 | Sac | Sac City |
| 50585 | Buena Vista | Sioux Rapids |
| 50586 | Calhoun | Somers |
| 50588 | Buena Vista | Storm Lake |
| 50590 | Kossuth | Swea City |
| 50591 | Humboldt | Thor |
| 50592 | Buena Vista | Truesdale |
| 50593 | Pocahontas | Varina |
| 50594 | Webster | Vincent |
| 50595 | Hamilton | Webster City |
| 50597 | Palo Alto | West Bend |
| 50598 | Kossuth | Whittemore |
| 50599 | Wright | Woolstock |
| 50601 | Hardin | Ackley |
| 50602 | Butler | Allison |
| 50603 | Chickasaw | Alta Vista |
| 50604 | Butler | Aplington |
| 50605 | Butler | Aredale |
| 50606 | Fayette | Arlington |
| 50607 | Buchanan | Aurora |
| 50608 | Butler | Austinville |
| 50609 | Grundy | Beaman |
| 50611 | Butler | Bristow |
| 50612 | Tama | Buckingham |
| 50613 | Black Hawk | Cedar Falls |
| 50614 | Black Hawk | Cedar Falls |
| 50616 | Floyd | Charles City |
| 50619 | Butler | Clarksville |
| 50620 | Floyd | Colwell |
| 50621 | Grundy | Conrad |
| 50622 | Bremer | Denver |
| 50623 | Black Hawk | Dewar |
| 50624 | Grundy | Dike |
| 50625 | Butler | Dumont |
| 50626 | Black Hawk | Dunkerton |
| 50627 | Hardin | Eldora |
| 50628 | Howard | Elma |
| 50629 | Buchanan | Fairbank |
| 50630 | Chickasaw | Fredericksburg |
| 50631 | Bremer | Frederika |
| 50632 | Tama | Garwin |
| 50633 | Franklin | Geneva |
| 50634 | Black Hawk | Gilbertville |
| 50635 | Tama | Gladbrook |
| 50636 | Butler | Greene |
| 50638 | Grundy | Grundy Center |
| 50641 | Buchanan | Hazleton |
| 50642 | Grundy | Holland |
| 50643 | Black Hawk | Hudson |
| 50644 | Buchanan | Independence |
| 50645 | Chickasaw | Ionia |
| 50647 | Bremer | Janesville |
| 50648 | Buchanan | Jesup |
| 50649 | Butler | Kesley |
| 50650 | Buchanan | Lamont |
| 50651 | Black Hawk | La Porte City |
| 50652 | Tama | Lincoln |
| 50653 | Floyd | Marble Rock |
| 50654 | Delaware | Masonville |
| 50655 | Fayette | Maynard |
| 50657 | Grundy | Morrison |
| 50658 | Chickasaw | Nashua |
| 50659 | Chickasaw | New Hampton |
| 50660 | Butler | New Hartford |
| 50661 | Chickasaw | North Washington |
| 50662 | Fayette | Oelwein |
| 50664 | Fayette | Oran |
| 50665 | Butler | Parkersburg |
| 50666 | Bremer | Plainfield |
| 50667 | Black Hawk | Raymond |
| 50668 | Bremer | Readlyn |
| 50669 | Grundy | Reinbeck |
| 50670 | Butler | Shell Rock |
| 50671 | Buchanan | Stanley |
| 50672 | Hardin | Steamboat Rock |
| 50673 | Grundy | Stout |
| 50674 | Bremer | Sumner |
| 50675 | Tama | Traer |
| 50676 | Bremer | Tripoli |
| 50677 | Bremer | Waverly |
| 50680 | Grundy | Wellsburg |
| 50681 | Fayette | Westgate |
| 50682 | Buchanan | Winthrop |
| 50701 | Black Hawk | Waterloo |
| 50702 | Black Hawk | Waterloo |
| 50703 | Black Hawk | Waterloo |
| 50704 | Black Hawk | Waterloo |
| 50706 | Black Hawk | Waterloo |
| 50707 | Black Hawk | Evansdale |
| 50801 | Union | Creston |
| 50830 | Union | Afton |
| 50831 | Union | Arispe |
| 50833 | Taylor | Bedford |
| 50835 | Ringgold | Benton |
| 50836 | Taylor | Blockton |
| 50837 | Adair | Bridgewater |
| 50839 | Adams | Carbon |
| 50840 | Taylor | Clearfield |
| 50841 | Adams | Corning |
| 50842 | Union | Cromwell |
| 50843 | Cass | Cumberland |
| 50845 | Ringgold | Diagonal |
| 50846 | Adair | Fontanelle |
| 50847 | Montgomery | Grant |
| 50848 | Taylor | Gravity |
| 50849 | Adair | Greenfield |
| 50851 | Taylor | Lenox |
| 50853 | Cass | Massena |
| 50854 | Ringgold | Mount Ayr |
| 50857 | Adams | Nodaway |
| 50858 | Adair | Orient |
| 50859 | Adams | Prescott |
| 50860 | Ringgold | Redding |
| 50861 | Union | Shannon City |
| 50862 | Taylor | Sharpsburg |
| 50863 | Ringgold | Tingley |
| 50864 | Montgomery | Villisca |
| 50936 | Polk | Des Moines |
| 50940 | Polk | Des Moines |
| 50947 | Polk | Des Moines |
| 50950 | Polk | Des Moines |
| 50980 | Polk | Des Moines |
| 50981 | Polk | Des Moines |
| 51001 | Plymouth | Akron |
| 51002 | Buena Vista | Alta |
| 51003 | Sioux | Alton |
| 51004 | Woodbury | Anthon |
| 51005 | Cherokee | Aurelia |
| 51006 | Ida | Battle Creek |
| 51007 | Woodbury | Bronson |
| 51008 | Plymouth | Brunsville |
| 51009 | Obrien | Calumet |
| 51010 | Monona | Castana |
| 51011 | Sioux | Chatsworth |
| 51012 | Cherokee | Cherokee |
| 51014 | Cherokee | Cleghorn |
| 51015 | Woodbury | Climbing Hill |
| 51016 | Woodbury | Correctionville |
| 51018 | Woodbury | Cushing |
| 51019 | Woodbury | Danbury |
| 51020 | Ida | Galva |
| 51022 | Sioux | Granville |
| 51023 | Sioux | Hawarden |
| 51024 | Plymouth | Hinton |
| 51025 | Ida | Holstein |
| 51026 | Woodbury | Hornick |
| 51027 | Sioux | Ireton |
| 51028 | Plymouth | Kingsley |
| 51029 | Cherokee | Larrabee |
| 51030 | Woodbury | Lawton |
| 51031 | Plymouth | Le Mars |
| 51033 | Buena Vista | Linn Grove |
| 51034 | Monona | Mapleton |
| 51035 | Cherokee | Marcus |
| 51036 | Sioux | Maurice |
| 51037 | Cherokee | Meriden |
| 51038 | Plymouth | Merrill |
| 51039 | Woodbury | Moville |
| 51040 | Monona | Onawa |
| 51041 | Sioux | Orange City |
| 51044 | Woodbury | Oto |
| 51045 | Plymouth | Oyens |
| 51046 | Obrien | Paullina |
| 51047 | Clay | Peterson |
| 51048 | Woodbury | Pierson |
| 51049 | Cherokee | Quimby |
| 51050 | Plymouth | Remsen |
| 51051 | Monona | Rodney |
| 51052 | Woodbury | Salix |
| 51053 | Sac | Schaller |
| 51054 | Woodbury | Sergeant Bluff |
| 51055 | Woodbury | Sloan |
| 51056 | Woodbury | Smithland |
| 51058 | Obrien | Sutherland |
| 51060 | Monona | Ute |
| 51061 | Cherokee | Washta |
| 51062 | Plymouth | Westfield |
| 51063 | Monona | Whiting |
| 51101 | Woodbury | Sioux City |
| 51102 | Woodbury | Sioux City |
| 51103 | Woodbury | Sioux City |
| 51104 | Woodbury | Sioux City |
| 51105 | Woodbury | Sioux City |
| 51106 | Woodbury | Sioux City |
| 51108 | Woodbury | Sioux City |
| 51109 | Woodbury | Sioux City |
| 51111 | Woodbury | Sioux City |
| 51201 | Obrien | Sheldon |
| 51230 | Lyon | Alvord |
| 51231 | Obrien | Archer |
| 51232 | Osceola | Ashton |
| 51234 | Sioux | Boyden |
| 51235 | Lyon | Doon |
| 51237 | Lyon | George |
| 51238 | Sioux | Hospers |
| 51239 | Sioux | Hull |
| 51240 | Lyon | Inwood |
| 51241 | Lyon | Larchwood |
| 51242 | Lyon | Lester |
| 51243 | Lyon | Little Rock |
| 51244 | Sioux | Matlock |
| 51245 | Obrien | Primghar |
| 51246 | Lyon | Rock Rapids |
| 51247 | Sioux | Rock Valley |
| 51248 | Obrien | Sanborn |
| 51249 | Osceola | Sibley |
| 51250 | Sioux | Sioux Center |
| 51301 | Clay | Spencer |
| 51331 | Dickinson | Arnolds Park |
| 51333 | Clay | Dickens |
| 51334 | Emmet | Estherville |
| 51338 | Clay | Everly |
| 51340 | Clay | Fostoria |
| 51341 | Clay | Gillett Grove |
| 51342 | Palo Alto | Graettinger |
| 51343 | Clay | Greenville |
| 51344 | Emmet | Gruver |
| 51345 | Osceola | Harris |
| 51346 | Obrien | Hartley |
| 51347 | Dickinson | Lake Park |
| 51350 | Osceola | Melvin |
| 51351 | Dickinson | Milford |
| 51354 | Osceola | Ocheyedan |
| 51355 | Dickinson | Okoboji |
| 51357 | Clay | Royal |
| 51358 | Palo Alto | Ruthven |
| 51360 | Dickinson | Spirit Lake |
| 51363 | Dickinson | Superior |
| 51364 | Dickinson | Terril |
| 51365 | Emmet | Wallingford |
| 51366 | Clay | Webb |
| 51401 | Carroll | Carroll |
| 51430 | Carroll | Arcadia |
| 51431 | Ida | Arthur |
| 51432 | Crawford | Aspinwall |
| 51433 | Sac | Auburn |
| 51436 | Carroll | Breda |
| 51439 | Crawford | Charter Oak |
| 51440 | Carroll | Dedham |
| 51441 | Crawford | Deloit |
| 51442 | Crawford | Denison |
| 51443 | Carroll | Glidden |
| 51444 | Carroll | Halbur |
| 51445 | Ida | Ida Grove |
| 51446 | Shelby | Irwin |
| 51447 | Shelby | Kirkman |
| 51448 | Crawford | Kiron |
| 51449 | Calhoun | Lake City |
| 51450 | Sac | Lake View |
| 51451 | Carroll | Lanesboro |
| 51452 | Carroll | Lidderdale |
| 51453 | Calhoun | Lohrville |
| 51454 | Crawford | Manilla |
| 51455 | Carroll | Manning |
| 51458 | Sac | Odebolt |
| 51459 | Carroll | Ralston |
| 51460 | Crawford | Ricketts |
| 51461 | Crawford | Schleswig |
| 51462 | Greene | Scranton |
| 51463 | Carroll | Templeton |
| 51465 | Crawford | Vail |
| 51466 | Sac | Wall Lake |
| 51467 | Crawford | Westside |
| 51501 | Pottawattamie | Council Bluffs |
| 51502 | Pottawattamie | Council Bluffs |
| 51503 | Pottawattamie | Council Bluffs |
| 51510 | Pottawattamie | Carter Lake |
| 51520 | Crawford | Arion |
| 51521 | Pottawattamie | Avoca |
| 51523 | Monona | Blencoe |
| 51525 | Pottawattamie | Carson |
| 51526 | Pottawattamie | Crescent |
| 51527 | Shelby | Defiance |
| 51528 | Crawford | Dow City |
| 51529 | Harrison | Dunlap |
| 51530 | Shelby | Earling |
| 51531 | Shelby | Elk Horn |
| 51532 | Montgomery | Elliott |
| 51533 | Mills | Emerson |
| 51534 | Mills | Glenwood |
| 51535 | Cass | Griswold |
| 51536 | Pottawattamie | Hancock |
| 51537 | Shelby | Harlan |
| 51540 | Mills | Hastings |
| 51541 | Mills | Henderson |
| 51542 | Pottawattamie | Honey Creek |
| 51543 | Audubon | Kimballton |
| 51544 | Cass | Lewis |
| 51545 | Harrison | Little Sioux |
| 51546 | Harrison | Logan |
| 51548 | Pottawattamie | Mc Clelland |
| 51549 | Pottawattamie | Macedonia |
| 51550 | Harrison | Magnolia |
| 51551 | Mills | Malvern |
| 51552 | Cass | Marne |
| 51553 | Pottawattamie | Minden |
| 51554 | Mills | Mineola |
| 51555 | Harrison | Missouri Valley |
| 51556 | Harrison | Modale |
| 51557 | Harrison | Mondamin |
| 51558 | Monona | Moorhead |
| 51559 | Pottawattamie | Neola |
| 51560 | Pottawattamie | Oakland |
| 51561 | Mills | Pacific Junction |
| 51562 | Shelby | Panama |
| 51563 | Harrison | Persia |
| 51564 | Harrison | Pisgah |
| 51565 | Shelby | Portsmouth |
| 51566 | Montgomery | Red Oak |
| 51570 | Pottawattamie | Shelby |
| 51571 | Mills | Silver City |
| 51572 | Monona | Soldier |
| 51573 | Montgomery | Stanton |
| 51575 | Pottawattamie | Treynor |
| 51576 | Pottawattamie | Underwood |
| 51577 | Pottawattamie | Walnut |
| 51578 | Shelby | Westphalia |
| 51579 | Harrison | Woodbine |
| 51591 | Montgomery | Red Oak |
| 51593 | Shelby | Harlan |
| 51601 | Page | Shenandoah |
| 51602 | Page | Shenandoah |
| 51603 | Page | Shenandoah |
| 51630 | Page | Blanchard |
| 51631 | Page | Braddyville |
| 51632 | Page | Clarinda |
| 51636 | Page | Coin |
| 51637 | Page | College Springs |
| 51638 | Page | Essex |
| 51639 | Fremont | Farragut |
| 51640 | Fremont | Hamburg |
| 51645 | Fremont | Imogene |
| 51646 | Taylor | New Market |
| 51647 | Page | Northboro |
| 51648 | Fremont | Percival |
| 51649 | Fremont | Randolph |
| 51650 | Fremont | Riverton |
| 51651 | Page | Shambaugh |
| 51652 | Fremont | Sidney |
| 51653 | Fremont | Tabor |
| 51654 | Fremont | Thurman |
| 51656 | Page | Yorktown |
| 52001 | Dubuque | Dubuque |
| 52002 | Dubuque | Dubuque |
| 52003 | Dubuque | Dubuque |
| 52004 | Dubuque | Dubuque |
| 52030 | Jackson | Andrew |
| 52031 | Jackson | Bellevue |
| 52032 | Dubuque | Bernard |
| 52033 | Dubuque | Cascade |
| 52035 | Delaware | Colesburg |
| 52036 | Delaware | Delaware |
| 52037 | Clinton | Delmar |
| 52038 | Delaware | Dundee |
| 52039 | Dubuque | Durango |
| 52040 | Dubuque | Dyersville |
| 52041 | Delaware | Earlville |
| 52042 | Clayton | Edgewood |
| 52043 | Clayton | Elkader |
| 52044 | Clayton | Elkport |
| 52045 | Dubuque | Epworth |
| 52046 | Dubuque | Farley |
| 52047 | Clayton | Farmersburg |
| 52048 | Clayton | Garber |
| 52049 | Clayton | Garnavillo |
| 52050 | Delaware | Greeley |
| 52052 | Clayton | Guttenberg |
| 52053 | Dubuque | Holy Cross |
| 52054 | Jackson | La Motte |
| 52056 | Dubuque | Luxemburg |
| 52057 | Delaware | Manchester |
| 52060 | Jackson | Maquoketa |
| 52064 | Jackson | Miles |
| 52065 | Dubuque | New Vienna |
| 52066 | Clayton | North Buena Vista |
| 52068 | Dubuque | Peosta |
| 52069 | Jackson | Preston |
| 52070 | Jackson | Sabula |
| 52071 | Jackson | Saint Donatus |
| 52072 | Clayton | Saint Olaf |
| 52073 | Dubuque | Sherrill |
| 52074 | Jackson | Spragueville |
| 52075 | Jackson | Springbrook |
| 52076 | Clayton | Strawberry Point |
| 52077 | Clayton | Volga |
| 52078 | Dubuque | Worthington |
| 52079 | Dubuque | Zwingle |
| 52099 | Dubuque | Dubuque |
| 52101 | Winneshiek | Decorah |
| 52132 | Winneshiek | Calmar |
| 52133 | Winneshiek | Castalia |
| 52134 | Howard | Chester |
| 52135 | Fayette | Clermont |
| 52136 | Howard | Cresco |
| 52140 | Allamakee | Dorchester |
| 52141 | Fayette | Elgin |
| 52142 | Fayette | Fayette |
| 52144 | Winneshiek | Fort Atkinson |
| 52146 | Allamakee | Harpers Ferry |
| 52147 | Fayette | Hawkeye |
| 52149 | Winneshiek | Highlandville |
| 52151 | Allamakee | Lansing |
| 52154 | Chickasaw | Lawler |
| 52155 | Howard | Lime Springs |
| 52156 | Clayton | Luana |
| 52157 | Clayton | Mc Gregor |
| 52158 | Clayton | Marquette |
| 52159 | Clayton | Monona |
| 52160 | Allamakee | New Albin |
| 52161 | Winneshiek | Ossian |
| 52162 | Allamakee | Postville |
| 52163 | Howard | Protivin |
| 52164 | Fayette | Randalia |
| 52165 | Winneshiek | Ridgeway |
| 52166 | Fayette | Saint Lucas |
| 52168 | Winneshiek | Spillville |
| 52169 | Fayette | Wadena |
| 52170 | Allamakee | Waterville |
| 52171 | Fayette | Waucoma |
| 52172 | Allamakee | Waukon |
| 52175 | Fayette | West Union |
| 52201 | Washington | Ainsworth |
| 52202 | Linn | Alburnett |
| 52203 | Iowa | Amana |
| 52204 | Iowa | Amana |
| 52205 | Jones | Anamosa |
| 52206 | Benton | Atkins |
| 52207 | Jackson | Baldwin |
| 52208 | Benton | Belle Plaine |
| 52209 | Benton | Blairstown |
| 52210 | Buchanan | Brandon |
| 52211 | Poweshiek | Brooklyn |
| 52212 | Jones | Center Junction |
| 52213 | Linn | Center Point |
| 52214 | Linn | Central City |
| 52215 | Tama | Chelsea |
| 52216 | Cedar | Clarence |
| 52217 | Tama | Clutier |
| 52218 | Linn | Coggon |
| 52219 | Linn | Prairieburg |
| 52220 | Iowa | Conroy |
| 52221 | Poweshiek | Guernsey |
| 52222 | Poweshiek | Deep River |
| 52223 | Delaware | Delhi |
| 52224 | Tama | Dysart |
| 52225 | Tama | Elberon |
| 52227 | Linn | Ely |
| 52228 | Linn | Fairfax |
| 52229 | Benton | Garrison |
| 52231 | Keokuk | Harper |
| 52232 | Poweshiek | Hartwick |
| 52233 | Linn | Hiawatha |
| 52235 | Johnson | Hills |
| 52236 | Iowa | Homestead |
| 52237 | Delaware | Hopkinton |
| 52240 | Johnson | Iowa City |
| 52241 | Johnson | Coralville |
| 52242 | Johnson | Iowa City |
| 52243 | Johnson | Iowa City |
| 52244 | Johnson | Iowa City |
| 52245 | Johnson | Iowa City |
| 52246 | Johnson | Iowa City |
| 52247 | Washington | Kalona |
| 52248 | Keokuk | Keota |
| 52249 | Benton | Keystone |
| 52251 | Iowa | Ladora |
| 52252 | Jones | Langworthy |
| 52253 | Linn | Lisbon |
| 52254 | Clinton | Lost Nation |
| 52255 | Cedar | Lowden |
| 52257 | Benton | Luzerne |
| 52301 | Iowa | Marengo |
| 52302 | Linn | Marion |
| 52305 | Jones | Martelle |
| 52306 | Cedar | Mechanicsville |
| 52307 | Iowa | Middle Amana |
| 52308 | Iowa | Millersburg |
| 52309 | Jackson | Monmouth |
| 52310 | Jones | Monticello |
| 52312 | Jones | Morley |
| 52313 | Benton | Mount Auburn |
| 52314 | Linn | Mount Vernon |
| 52315 | Benton | Newhall |
| 52316 | Iowa | North English |
| 52317 | Johnson | North Liberty |
| 52318 | Benton | Norway |
| 52319 | Johnson | Oakdale |
| 52320 | Jones | Olin |
| 52321 | Jones | Onslow |
| 52322 | Johnson | Oxford |
| 52323 | Jones | Oxford Junction |
| 52324 | Linn | Palo |
| 52325 | Iowa | Parnell |
| 52326 | Buchanan | Quasqueton |
| 52327 | Washington | Riverside |
| 52328 | Linn | Robins |
| 52329 | Buchanan | Rowley |
| 52330 | Delaware | Ryan |
| 52332 | Benton | Shellsburg |
| 52333 | Johnson | Solon |
| 52334 | Iowa | South Amana |
| 52335 | Keokuk | South English |
| 52336 | Linn | Springville |
| 52337 | Cedar | Stanwood |
| 52338 | Johnson | Swisher |
| 52339 | Tama | Tama |
| 52340 | Johnson | Tiffin |
| 52341 | Linn | Toddville |
| 52342 | Tama | Toledo |
| 52344 | Linn | Troy Mills |
| 52345 | Benton | Urbana |
| 52346 | Benton | Van Horne |
| 52347 | Iowa | Victor |
| 52348 | Tama | Vining |
| 52349 | Benton | Vinton |
| 52350 | Linn | Viola |
| 52351 | Benton | Walford |
| 52352 | Linn | Walker |
| 52353 | Washington | Washington |
| 52354 | Benton | Watkins |
| 52355 | Keokuk | Webster |
| 52356 | Washington | Wellman |
| 52358 | Cedar | West Branch |
| 52359 | Washington | West Chester |
| 52361 | Iowa | Williamsburg |
| 52362 | Jones | Wyoming |
| 52401 | Linn | Cedar Rapids |
| 52402 | Linn | Cedar Rapids |
| 52403 | Linn | Cedar Rapids |
| 52404 | Linn | Cedar Rapids |
| 52405 | Linn | Cedar Rapids |
| 52406 | Linn | Cedar Rapids |
| 52407 | Linn | Cedar Rapids |
| 52408 | Linn | Cedar Rapids |
| 52409 | Linn | Cedar Rapids |
| 52410 | Linn | Cedar Rapids |
| 52411 | Linn | Cedar Rapids |
| 52497 | Linn | Cedar Rapids |
| 52498 | Linn | Cedar Rapids |
| 52499 | Linn | Cedar Rapids |
| 52501 | Wapello | Ottumwa |
| 52530 | Wapello | Agency |
| 52531 | Monroe | Albia |
| 52533 | Jefferson | Batavia |
| 52534 | Mahaska | Beacon |
| 52535 | Van Buren | Birmingham |
| 52536 | Wapello | Blakesburg |
| 52537 | Davis | Bloomfield |
| 52538 | Davis | West Grove |
| 52540 | Washington | Brighton |
| 52542 | Van Buren | Cantril |
| 52543 | Mahaska | Cedar |
| 52544 | Appanoose | Centerville |
| 52548 | Wapello | Chillicothe |
| 52549 | Appanoose | Cincinnati |
| 52550 | Keokuk | Delta |
| 52551 | Van Buren | Douds |
| 52552 | Davis | Drakesville |
| 52553 | Wapello | Eddyville |
| 52554 | Wapello | Eldon |
| 52555 | Appanoose | Exline |
| 52556 | Jefferson | Fairfield |
| 52557 | Jefferson | Fairfield |
| 52560 | Davis | Floris |
| 52561 | Mahaska | Fremont |
| 52562 | Keokuk | Hayesville |
| 52563 | Keokuk | Hedrick |
| 52565 | Van Buren | Keosauqua |
| 52566 | Wapello | Kirkville |
| 52567 | Jefferson | Libertyville |
| 52568 | Keokuk | Martinsburg |
| 52569 | Monroe | Melrose |
| 52570 | Van Buren | Milton |
| 52571 | Appanoose | Moravia |
| 52572 | Appanoose | Moulton |
| 52573 | Van Buren | Mount Sterling |
| 52574 | Appanoose | Mystic |
| 52576 | Keokuk | Ollie |
| 52577 | Mahaska | Oskaloosa |
| 52580 | Jefferson | Packwood |
| 52581 | Appanoose | Plano |
| 52583 | Wayne | Promise City |
| 52584 | Davis | Pulaski |
| 52585 | Keokuk | Richland |
| 52586 | Mahaska | Rose Hill |
| 52588 | Van Buren | Selma |
| 52590 | Wayne | Seymour |
| 52591 | Keokuk | Sigourney |
| 52593 | Appanoose | Udell |
| 52594 | Appanoose | Unionville |
| 52595 | Mahaska | University Park |
| 52601 | Des Moines | Burlington |
| 52619 | Lee | Argyle |
| 52620 | Van Buren | Bonaparte |
| 52621 | Washington | Crawfordsville |
| 52623 | Des Moines | Danville |
| 52624 | Lee | Denmark |
| 52625 | Lee | Donnellson |
| 52626 | Van Buren | Farmington |
| 52627 | Lee | Fort Madison |
| 52630 | Henry | Hillsboro |
| 52631 | Lee | Houghton |
| 52632 | Lee | Keokuk |
| 52635 | Jefferson | Lockridge |
| 52637 | Des Moines | Mediapolis |
| 52638 | Des Moines | Middletown |
| 52639 | Lee | Montrose |
| 52640 | Louisa | Morning Sun |
| 52641 | Henry | Mount Pleasant |
| 52642 | Henry | Rome |
| 52644 | Henry | Mount Union |
| 52645 | Henry | New London |
| 52646 | Louisa | Oakville |
| 52647 | Henry | Olds |
| 52648 | Lee | Pilot Grove |
| 52649 | Henry | Salem |
| 52650 | Des Moines | Sperry |
| 52651 | Van Buren | Stockport |
| 52652 | Henry | Swedesburg |
| 52653 | Louisa | Wapello |
| 52654 | Henry | Wayland |
| 52655 | Des Moines | West Burlington |
| 52656 | Lee | West Point |
| 52657 | Lee | Saint Paul |
| 52658 | Lee | Wever |
| 52659 | Henry | Winfield |
| 52660 | Des Moines | Yarmouth |
| 52701 | Clinton | Andover |
| 52720 | Muscatine | Atalissa |
| 52721 | Cedar | Bennett |
| 52722 | Scott | Bettendorf |
| 52726 | Scott | Blue Grass |
| 52727 | Clinton | Bryant |
| 52728 | Scott | Buffalo |
| 52729 | Clinton | Calamus |
| 52730 | Clinton | Camanche |
| 52731 | Clinton | Charlotte |
| 52732 | Clinton | Clinton |
| 52733 | Clinton | Clinton |
| 52734 | Clinton | Clinton |
| 52736 | Clinton | Clinton |
| 52737 | Louisa | Columbus City |
| 52738 | Louisa | Columbus Junction |
| 52739 | Muscatine | Conesville |
| 52742 | Clinton | De Witt |
| 52745 | Scott | Dixon |
| 52746 | Scott | Donahue |
| 52747 | Cedar | Durant |
| 52748 | Scott | Eldridge |
| 52749 | Muscatine | Fruitland |
| 52750 | Clinton | Goose Lake |
| 52751 | Clinton | Grand Mound |
| 52752 | Louisa | Grandview |
| 52753 | Scott | Le Claire |
| 52754 | Louisa | Letts |
| 52755 | Johnson | Lone Tree |
| 52756 | Scott | Long Grove |
| 52757 | Clinton | Low Moor |
| 52758 | Scott | Mc Causland |
| 52759 | Muscatine | Montpelier |
| 52760 | Muscatine | Moscow |
| 52761 | Muscatine | Muscatine |
| 52765 | Scott | New Liberty |
| 52766 | Muscatine | Nichols |
| 52767 | Scott | Pleasant Valley |
| 52768 | Scott | Princeton |
| 52769 | Muscatine | Stockton |
| 52771 | Clinton | Teeds Grove |
| 52772 | Cedar | Tipton |
| 52773 | Scott | Walcott |
| 52774 | Muscatine | Welton |
| 52776 | Muscatine | West Liberty |
| 52777 | Clinton | Wheatland |
| 52778 | Muscatine | Wilton |
| 52801 | Scott | Davenport |
| 52802 | Scott | Davenport |
| 52803 | Scott | Davenport |
| 52804 | Scott | Davenport |
| 52805 | Scott | Davenport |
| 52806 | Scott | Davenport |
| 52807 | Scott | Davenport |
| 52808 | Scott | Davenport |
| 52809 | Scott | Davenport |
