Iowa Zip Codes – United States of America
| Zip Code | Type | City | State | County |
|---|---|---|---|---|
| 50001 | Standard | Ackworth | IA | Warren |
| 50002 | Standard | Adair | IA | Adair |
| 50003 | Standard | Adel | IA | Dallas |
| 50005 | Standard | Albion | IA | Marshall |
| 50006 | Standard | Alden | IA | Hardin |
| 50007 | Standard | Alleman | IA | Polk |
| 50008 | Standard | Allerton | IA | Wayne |
| 50009 | Standard | Altoona | IA | Polk |
| 50010 | Standard | Ames | IA | Story |
| 50011 | Unique | Ames | IA | Story |
| 50012 | Unique | Ames | IA | Story |
| 50013 | Unique | Ames | IA | Story |
| 50014 | Standard | Ames | IA | Story |
| 50020 | Standard | Anita | IA | Cass |
| 50021 | Standard | Ankeny | IA | Polk |
| 50022 | Standard | Atlantic | IA | Cass |
| 50023 | Standard | Ankeny | IA | Polk |
| 50025 | Standard | Audubon | IA | Audubon |
| 50026 | Standard | Bagley | IA | Guthrie |
| 50027 | Standard | Barnes City | IA | Mahaska |
| 50028 | Standard | Baxter | IA | Jasper |
| 50029 | Standard | Bayard | IA | Guthrie |
| 50031 | PO Box | Beaver | IA | Boone |
| 50032 | PO Box | Berwick | IA | Polk |
| 50033 | Standard | Bevington | IA | Madison |
| 50034 | Standard | Blairsburg | IA | Hamilton |
| 50035 | Standard | Bondurant | IA | Polk |
| 50036 | Standard | Boone | IA | Boone |
| 50037 | PO Box | Boone | IA | Boone |
| 50038 | Standard | Booneville | IA | Dallas |
| 50039 | Standard | Bouton | IA | Dallas |
| 50040 | PO Box | Boxholm | IA | Boone |
| 50041 | PO Box | Bradford | IA | Franklin |
| 50042 | Standard | Brayton | IA | Audubon |
| 50043 | PO Box | Buckeye | IA | Hardin |
| 50044 | Standard | Bussey | IA | Marion |
| 50046 | Standard | Cambridge | IA | Story |
| 50047 | Standard | Carlisle | IA | Warren |
| 50048 | Standard | Casey | IA | Guthrie |
| 50049 | Standard | Chariton | IA | Lucas |
| 50050 | Standard | Churdan | IA | Greene |
| 50051 | Standard | Clemons | IA | Marshall |
| 50052 | Standard | Clio | IA | Wayne |
| 50054 | Standard | Colfax | IA | Jasper |
| 50055 | Standard | Collins | IA | Story |
| 50056 | Standard | Colo | IA | Story |
| 50057 | Standard | Columbia | IA | Marion |
| 50058 | Standard | Coon Rapids | IA | Carroll |
| 50059 | Standard | Cooper | IA | Greene |
| 50060 | Standard | Corydon | IA | Wayne |
| 50061 | Standard | Cumming | IA | Warren |
| 50062 | Standard | Melcher Dallas | IA | Marion |
| 50063 | Standard | Dallas Center | IA | Dallas |
| 50064 | Standard | Dana | IA | Greene |
| 50065 | Standard | Davis City | IA | Decatur |
| 50066 | Standard | Dawson | IA | Dallas |
| 50067 | Standard | Decatur | IA | Decatur |
| 50068 | Standard | Derby | IA | Lucas |
| 50069 | Standard | De Soto | IA | Dallas |
| 50070 | Standard | Dexter | IA | Dallas |
| 50071 | Standard | Dows | IA | Wright |
| 50072 | Standard | Earlham | IA | Madison |
| 50073 | Standard | Elkhart | IA | Polk |
| 50074 | Standard | Ellston | IA | Ringgold |
| 50075 | Standard | Ellsworth | IA | Hamilton |
| 50076 | Standard | Exira | IA | Audubon |
| 50078 | PO Box | Ferguson | IA | Marshall |
| 50099 | PO Box | Boone | IA | Boone |
| 50101 | Standard | Galt | IA | Wright |
| 50102 | PO Box | Garden City | IA | Hardin |
| 50103 | Standard | Garden Grove | IA | Decatur |
| 50104 | Standard | Gibson | IA | Keokuk |
| 50105 | Standard | Gilbert | IA | Story |
| 50106 | Standard | Gilman | IA | Marshall |
| 50107 | Standard | Grand Junction | IA | Greene |
| 50108 | Standard | Grand River | IA | Decatur |
| 50109 | Standard | Granger | IA | Polk |
| 50110 | PO Box | Gray | IA | Audubon |
| 50111 | Standard | Grimes | IA | Polk |
| 50112 | Standard | Grinnell | IA | Poweshiek |
| 50115 | Standard | Guthrie Center | IA | Guthrie |
| 50116 | Standard | Hamilton | IA | Marion |
| 50117 | Standard | Hamlin | IA | Audubon |
| 50118 | Standard | Hartford | IA | Warren |
| 50119 | Standard | Harvey | IA | Marion |
| 50120 | Standard | Haverhill | IA | Marshall |
| 50122 | Standard | Hubbard | IA | Hardin |
| 50123 | Standard | Humeston | IA | Wayne |
| 50124 | Standard | Huxley | IA | Story |
| 50125 | Standard | Indianola | IA | Warren |
| 50126 | Standard | Iowa Falls | IA | Hardin |
| 50127 | Standard | Ira | IA | Jasper |
| 50128 | Standard | Jamaica | IA | Guthrie |
| 50129 | Standard | Jefferson | IA | Greene |
| 50130 | Standard | Jewell | IA | Hamilton |
| 50131 | Standard | Johnston | IA | Polk |
| 50132 | Standard | Kamrar | IA | Hamilton |
| 50133 | Standard | Kellerton | IA | Ringgold |
| 50134 | Standard | Kelley | IA | Story |
| 50135 | Standard | Kellogg | IA | Jasper |
| 50136 | Standard | Keswick | IA | Keokuk |
| 50137 | Standard | Killduff | IA | Jasper |
| 50138 | Standard | Knoxville | IA | Marion |
| 50139 | Standard | Lacona | IA | Warren |
| 50140 | Standard | Lamoni | IA | Decatur |
| 50141 | Standard | Laurel | IA | Marshall |
| 50142 | PO Box | Le Grand | IA | Marshall |
| 50143 | Standard | Leighton | IA | Mahaska |
| 50144 | Standard | Leon | IA | Decatur |
| 50145 | PO Box | Liberty Center | IA | Warren |
| 50146 | Standard | Linden | IA | Dallas |
| 50147 | Standard | Lineville | IA | Wayne |
| 50148 | Standard | Liscomb | IA | Marshall |
| 50149 | Standard | Lorimor | IA | Union |
| 50150 | Standard | Lovilia | IA | Monroe |
| 50151 | Standard | Lucas | IA | Lucas |
| 50152 | PO Box | Luther | IA | Boone |
| 50153 | Standard | Lynnville | IA | Jasper |
| 50154 | Standard | Mc Callsburg | IA | Story |
| 50155 | Standard | Macksburg | IA | Madison |
| 50156 | Standard | Madrid | IA | Boone |
| 50157 | Standard | Malcom | IA | Poweshiek |
| 50158 | Standard | Marshalltown | IA | Marshall |
| 50160 | Standard | Martensdale | IA | Warren |
| 50161 | Standard | Maxwell | IA | Story |
| 50162 | Standard | Melbourne | IA | Marshall |
| 50163 | PO Box | Melcher Dallas | IA | Marion |
| 50164 | Standard | Menlo | IA | Guthrie |
| 50165 | Standard | Millerton | IA | Wayne |
| 50166 | Standard | Milo | IA | Warren |
| 50167 | Standard | Minburn | IA | Dallas |
| 50168 | Standard | Mingo | IA | Jasper |
| 50169 | Standard | Mitchellville | IA | Polk |
| 50170 | Standard | Monroe | IA | Jasper |
| 50171 | Standard | Montezuma | IA | Poweshiek |
| 50173 | Standard | Montour | IA | Tama |
| 50174 | Standard | Murray | IA | Clarke |
| 50201 | Standard | Nevada | IA | Story |
| 50206 | Standard | New Providence | IA | Hardin |
| 50207 | Standard | New Sharon | IA | Mahaska |
| 50208 | Standard | Newton | IA | Jasper |
| 50210 | Standard | New Virginia | IA | Warren |
| 50211 | Standard | Norwalk | IA | Warren |
| 50212 | Standard | Ogden | IA | Boone |
| 50213 | Standard | Osceola | IA | Clarke |
| 50214 | Standard | Otley | IA | Marion |
| 50216 | Standard | Panora | IA | Guthrie |
| 50217 | Standard | Paton | IA | Greene |
| 50218 | Standard | Patterson | IA | Madison |
| 50219 | Standard | Pella | IA | Marion |
| 50220 | Standard | Perry | IA | Dallas |
| 50222 | Standard | Peru | IA | Madison |
| 50223 | Standard | Pilot Mound | IA | Boone |
| 50225 | Standard | Pleasantville | IA | Marion |
| 50226 | Standard | Polk City | IA | Polk |
| 50227 | Standard | Popejoy | IA | Franklin |
| 50228 | Standard | Prairie City | IA | Jasper |
| 50229 | Standard | Prole | IA | Warren |
| 50230 | Standard | Radcliffe | IA | Hardin |
| 50231 | PO Box | Randall | IA | Hamilton |
| 50232 | Standard | Reasnor | IA | Jasper |
| 50233 | Standard | Redfield | IA | Dallas |
| 50234 | Standard | Rhodes | IA | Marshall |
| 50235 | Standard | Rippey | IA | Greene |
| 50236 | Standard | Roland | IA | Story |
| 50237 | Standard | Runnells | IA | Polk |
| 50238 | Standard | Russell | IA | Lucas |
| 50239 | Standard | Saint Anthony | IA | Marshall |
| 50240 | Standard | Saint Charles | IA | Madison |
| 50241 | PO Box | Saint Marys | IA | Warren |
| 50242 | Standard | Searsboro | IA | Poweshiek |
| 50243 | PO Box | Sheldahl | IA | Polk |
| 50244 | Standard | Slater | IA | Story |
| 50246 | Standard | Stanhope | IA | Hamilton |
| 50247 | Standard | State Center | IA | Marshall |
| 50248 | Standard | Story City | IA | Story |
| 50249 | Standard | Stratford | IA | Hamilton |
| 50250 | Standard | Stuart | IA | Guthrie |
| 50251 | Standard | Sully | IA | Jasper |
| 50252 | Standard | Swan | IA | Marion |
| 50254 | Standard | Thayer | IA | Union |
| 50255 | PO Box | Thornburg | IA | Keokuk |
| 50256 | Standard | Tracy | IA | Marion |
| 50257 | Standard | Truro | IA | Madison |
| 50258 | Standard | Union | IA | Hardin |
| 50259 | Standard | Gifford | IA | Hardin |
| 50261 | Standard | Van Meter | IA | Dallas |
| 50262 | Standard | Van Wert | IA | Decatur |
| 50263 | Standard | Waukee | IA | Dallas |
| 50264 | Standard | Weldon | IA | Decatur |
| 50265 | Standard | West Des Moines | IA | Polk |
| 50266 | Standard | West Des Moines | IA | Dallas |
| 50268 | Standard | What Cheer | IA | Keokuk |
| 50269 | PO Box | Whitten | IA | Hardin |
| 50271 | Standard | Williams | IA | Hamilton |
| 50272 | PO Box | Williamson | IA | Lucas |
| 50273 | Standard | Winterset | IA | Madison |
| 50274 | Standard | Wiota | IA | Cass |
| 50275 | Standard | Woodburn | IA | Clarke |
| 50276 | Standard | Woodward | IA | Dallas |
| 50277 | Standard | Yale | IA | Guthrie |
| 50278 | Standard | Zearing | IA | Story |
| 50301 | PO Box | Des Moines | IA | Polk |
| 50302 | PO Box | Des Moines | IA | Polk |
| 50303 | PO Box | Des Moines | IA | Polk |
| 50304 | PO Box | Des Moines | IA | Polk |
| 50305 | PO Box | Des Moines | IA | Polk |
| 50306 | PO Box | Des Moines | IA | Polk |
| 50307 | Standard | Des Moines | IA | Polk |
| 50308 | Standard | Des Moines | IA | Polk |
| 50309 | Standard | Des Moines | IA | Polk |
| 50310 | Standard | Des Moines | IA | Polk |
| 50311 | Standard | Des Moines | IA | Polk |
| 50312 | Standard | Des Moines | IA | Polk |
| 50313 | Standard | Des Moines | IA | Polk |
| 50314 | Standard | Des Moines | IA | Polk |
| 50315 | Standard | Des Moines | IA | Polk |
| 50316 | Standard | Des Moines | IA | Polk |
| 50317 | Standard | Des Moines | IA | Polk |
| 50318 | PO Box | Des Moines | IA | Polk |
| 50319 | Standard | Des Moines | IA | Polk |
| 50320 | Standard | Des Moines | IA | Polk |
| 50321 | Standard | Des Moines | IA | Polk |
| 50322 | Standard | Urbandale | IA | Polk |
| 50323 | Standard | Urbandale | IA | Dallas |
| 50324 | Standard | Windsor Heights | IA | Polk |
| 50325 | Standard | Clive | IA | Polk |
| 50327 | Standard | Pleasant Hill | IA | Polk |
| 50328 | Unique | Des Moines | IA | Polk |
| 50329 | Unique | Des Moines | IA | Polk |
| 50330 | Unique | Des Moines | IA | Polk |
| 50331 | Unique | Des Moines | IA | Polk |
| 50332 | Unique | Des Moines | IA | Polk |
| 50333 | PO Box | Des Moines | IA | Polk |
| 50334 | Unique | Des Moines | IA | Polk |
| 50335 | Unique | Des Moines | IA | Polk |
| 50336 | PO Box | Des Moines | IA | Polk |
| 50339 | Unique | Des Moines | IA | Polk |
| 50340 | PO Box | Des Moines | IA | Polk |
| 50347 | Unique | Des Moines | IA | Polk |
| 50359 | Unique | Des Moines | IA | Polk |
| 50360 | Unique | Des Moines | IA | Polk |
| 50361 | Unique | Des Moines | IA | Polk |
| 50362 | Unique | Des Moines | IA | Polk |
| 50363 | Unique | Des Moines | IA | Polk |
| 50364 | Unique | Des Moines | IA | Polk |
| 50367 | Unique | Des Moines | IA | Polk |
| 50368 | PO Box | Des Moines | IA | Polk |
| 50369 | Unique | Des Moines | IA | Polk |
| 50380 | Unique | Des Moines | IA | Polk |
| 50381 | Unique | Des Moines | IA | Polk |
| 50391 | Unique | Des Moines | IA | Polk |
| 50392 | Unique | Des Moines | IA | Polk |
| 50393 | PO Box | Des Moines | IA | Polk |
| 50394 | PO Box | Des Moines | IA | Polk |
| 50395 | Standard | Des Moines | IA | Polk |
| 50396 | Unique | Des Moines | IA | Polk |
| 50397 | Unique | Des Moines | IA | Polk |
| 50398 | Unique | Urbandale | IA | Polk |
| 50401 | Standard | Mason City | IA | Cerro Gordo |
| 50402 | PO Box | Mason City | IA | Cerro Gordo |
| 50420 | Standard | Alexander | IA | Franklin |
| 50421 | Standard | Belmond | IA | Wright |
| 50423 | Standard | Britt | IA | Hancock |
| 50424 | Standard | Buffalo Center | IA | Winnebago |
| 50426 | Standard | Carpenter | IA | Mitchell |
| 50427 | Standard | Chapin | IA | Franklin |
| 50428 | Standard | Clear Lake | IA | Cerro Gordo |
| 50430 | Standard | Corwith | IA | Hancock |
| 50431 | PO Box | Coulter | IA | Franklin |
| 50432 | PO Box | Crystal Lake | IA | Hancock |
| 50433 | Standard | Dougherty | IA | Cerro Gordo |
| 50434 | Standard | Fertile | IA | Worth |
| 50435 | Standard | Floyd | IA | Floyd |
| 50436 | Standard | Forest City | IA | Winnebago |
| 50438 | Standard | Garner | IA | Hancock |
| 50439 | Standard | Goodell | IA | Hancock |
| 50440 | Standard | Grafton | IA | Worth |
| 50441 | Standard | Hampton | IA | Franklin |
| 50444 | Standard | Hanlontown | IA | Worth |
| 50446 | Standard | Joice | IA | Worth |
| 50447 | Standard | Kanawha | IA | Hancock |
| 50448 | Standard | Kensett | IA | Worth |
| 50449 | Standard | Klemme | IA | Hancock |
| 50450 | Standard | Lake Mills | IA | Winnebago |
| 50451 | Standard | Lakota | IA | Kossuth |
| 50452 | Standard | Latimer | IA | Franklin |
| 50453 | Standard | Leland | IA | Winnebago |
| 50454 | Standard | Little Cedar | IA | Mitchell |
| 50455 | Standard | Mc Intire | IA | Mitchell |
| 50456 | Standard | Manly | IA | Worth |
| 50457 | Standard | Meservey | IA | Cerro Gordo |
| 50458 | Standard | Nora Springs | IA | Floyd |
| 50459 | Standard | Northwood | IA | Worth |
| 50460 | Standard | Orchard | IA | Mitchell |
| 50461 | Standard | Osage | IA | Mitchell |
| 50464 | Standard | Plymouth | IA | Cerro Gordo |
| 50465 | PO Box | Rake | IA | Winnebago |
| 50466 | Standard | Riceville | IA | Mitchell |
| 50467 | Standard | Rock Falls | IA | Cerro Gordo |
| 50468 | Standard | Rockford | IA | Floyd |
| 50469 | Standard | Rockwell | IA | Cerro Gordo |
| 50470 | Standard | Rowan | IA | Wright |
| 50471 | Standard | Rudd | IA | Floyd |
| 50472 | Standard | Saint Ansgar | IA | Mitchell |
| 50473 | Standard | Scarville | IA | Winnebago |
| 50475 | Standard | Sheffield | IA | Franklin |
| 50476 | Standard | Stacyville | IA | Mitchell |
| 50477 | Standard | Swaledale | IA | Cerro Gordo |
| 50478 | Standard | Thompson | IA | Winnebago |
| 50479 | Standard | Thornton | IA | Cerro Gordo |
| 50480 | Standard | Titonka | IA | Kossuth |
| 50481 | Standard | Toeterville | IA | Mitchell |
| 50482 | Standard | Ventura | IA | Cerro Gordo |
| 50483 | Standard | Wesley | IA | Kossuth |
| 50484 | Standard | Woden | IA | Hancock |
| 50501 | Standard | Fort Dodge | IA | Webster |
| 50510 | Standard | Albert City | IA | Buena Vista |
| 50511 | Standard | Algona | IA | Kossuth |
| 50514 | Standard | Armstrong | IA | Emmet |
| 50515 | Standard | Ayrshire | IA | Palo Alto |
| 50516 | Standard | Badger | IA | Webster |
| 50517 | Standard | Bancroft | IA | Kossuth |
| 50518 | Standard | Barnum | IA | Webster |
| 50519 | Standard | Bode | IA | Humboldt |
| 50520 | Standard | Bradgate | IA | Humboldt |
| 50521 | PO Box | Burnside | IA | Webster |
| 50522 | Standard | Burt | IA | Kossuth |
| 50523 | Standard | Callender | IA | Webster |
| 50524 | Standard | Clare | IA | Webster |
| 50525 | Standard | Clarion | IA | Wright |
| 50526 | Unique | Clarion | IA | Wright |
| 50527 | Standard | Curlew | IA | Palo Alto |
| 50528 | Standard | Cylinder | IA | Palo Alto |
| 50529 | Standard | Dakota City | IA | Humboldt |
| 50530 | Standard | Dayton | IA | Webster |
| 50531 | Standard | Dolliver | IA | Emmet |
| 50532 | Standard | Duncombe | IA | Webster |
| 50533 | Standard | Eagle Grove | IA | Wright |
| 50535 | Standard | Early | IA | Sac |
| 50536 | Standard | Emmetsburg | IA | Palo Alto |
| 50538 | Standard | Farnhamville | IA | Calhoun |
| 50539 | Standard | Fenton | IA | Kossuth |
| 50540 | Standard | Fonda | IA | Pocahontas |
| 50541 | Standard | Gilmore City | IA | Humboldt |
| 50542 | Standard | Goldfield | IA | Wright |
| 50543 | Standard | Gowrie | IA | Webster |
| 50544 | Standard | Harcourt | IA | Webster |
| 50545 | Standard | Hardy | IA | Humboldt |
| 50546 | Standard | Havelock | IA | Pocahontas |
| 50548 | Standard | Humboldt | IA | Humboldt |
| 50551 | Standard | Jolley | IA | Calhoun |
| 50552 | PO Box | Knierim | IA | Calhoun |
| 50554 | Standard | Laurens | IA | Pocahontas |
| 50556 | Standard | Ledyard | IA | Kossuth |
| 50557 | Standard | Lehigh | IA | Webster |
| 50558 | Standard | Livermore | IA | Humboldt |
| 50559 | Standard | Lone Rock | IA | Kossuth |
| 50560 | Standard | Lu Verne | IA | Kossuth |
| 50561 | Standard | Lytton | IA | Sac |
| 50562 | Standard | Mallard | IA | Palo Alto |
| 50563 | Standard | Manson | IA | Calhoun |
| 50565 | Standard | Marathon | IA | Buena Vista |
| 50566 | Standard | Moorland | IA | Webster |
| 50567 | Standard | Nemaha | IA | Sac |
| 50568 | Standard | Newell | IA | Buena Vista |
| 50569 | Standard | Otho | IA | Webster |
| 50570 | Standard | Ottosen | IA | Humboldt |
| 50571 | Standard | Palmer | IA | Pocahontas |
| 50573 | PO Box | Plover | IA | Pocahontas |
| 50574 | Standard | Pocahontas | IA | Pocahontas |
| 50575 | Standard | Pomeroy | IA | Calhoun |
| 50576 | Standard | Rembrandt | IA | Buena Vista |
| 50577 | Standard | Renwick | IA | Humboldt |
| 50578 | Standard | Ringsted | IA | Emmet |
| 50579 | Standard | Rockwell City | IA | Calhoun |
| 50581 | Standard | Rolfe | IA | Pocahontas |
| 50582 | Standard | Rutland | IA | Humboldt |
| 50583 | Standard | Sac City | IA | Sac |
| 50585 | Standard | Sioux Rapids | IA | Buena Vista |
| 50586 | Standard | Somers | IA | Calhoun |
| 50588 | Standard | Storm Lake | IA | Buena Vista |
| 50590 | Standard | Swea City | IA | Kossuth |
| 50591 | Standard | Thor | IA | Humboldt |
| 50592 | PO Box | Truesdale | IA | Buena Vista |
| 50593 | PO Box | Varina | IA | Pocahontas |
| 50594 | Standard | Vincent | IA | Webster |
| 50595 | Standard | Webster City | IA | Hamilton |
| 50597 | Standard | West Bend | IA | Palo Alto |
| 50598 | Standard | Whittemore | IA | Kossuth |
| 50599 | Standard | Woolstock | IA | Wright |
| 50601 | Standard | Ackley | IA | Hardin |
| 50602 | Standard | Allison | IA | Butler |
| 50603 | Standard | Alta Vista | IA | Chickasaw |
| 50604 | Standard | Aplington | IA | Butler |
| 50605 | Standard | Aredale | IA | Butler |
| 50606 | Standard | Arlington | IA | Fayette |
| 50607 | Standard | Aurora | IA | Buchanan |
| 50608 | Standard | Austinville | IA | Butler |
| 50609 | Standard | Beaman | IA | Grundy |
| 50611 | Standard | Bristow | IA | Butler |
| 50612 | Standard | Buckingham | IA | Tama |
| 50613 | Standard | Cedar Falls | IA | Black Hawk |
| 50614 | Unique | Cedar Falls | IA | Black Hawk |
| 50616 | Standard | Charles City | IA | Floyd |
| 50619 | Standard | Clarksville | IA | Butler |
| 50620 | Standard | Colwell | IA | Floyd |
| 50621 | Standard | Conrad | IA | Grundy |
| 50622 | Standard | Denver | IA | Bremer |
| 50623 | PO Box | Dewar | IA | Black Hawk |
| 50624 | Standard | Dike | IA | Grundy |
| 50625 | Standard | Dumont | IA | Butler |
| 50626 | Standard | Dunkerton | IA | Black Hawk |
| 50627 | Standard | Eldora | IA | Hardin |
| 50628 | Standard | Elma | IA | Howard |
| 50629 | Standard | Fairbank | IA | Buchanan |
| 50630 | Standard | Fredericksburg | IA | Chickasaw |
| 50631 | PO Box | Frederika | IA | Bremer |
| 50632 | Standard | Garwin | IA | Tama |
| 50633 | Standard | Geneva | IA | Franklin |
| 50634 | PO Box | Gilbertville | IA | Black Hawk |
| 50635 | Standard | Gladbrook | IA | Tama |
| 50636 | Standard | Greene | IA | Butler |
| 50638 | Standard | Grundy Center | IA | Grundy |
| 50641 | Standard | Hazleton | IA | Buchanan |
| 50642 | Standard | Holland | IA | Grundy |
| 50643 | Standard | Hudson | IA | Black Hawk |
| 50644 | Standard | Independence | IA | Buchanan |
| 50645 | Standard | Ionia | IA | Chickasaw |
| 50647 | Standard | Janesville | IA | Bremer |
| 50648 | Standard | Jesup | IA | Buchanan |
| 50649 | Standard | Kesley | IA | Butler |
| 50650 | Standard | Lamont | IA | Buchanan |
| 50651 | Standard | La Porte City | IA | Black Hawk |
| 50652 | PO Box | Lincoln | IA | Tama |
| 50653 | Standard | Marble Rock | IA | Floyd |
| 50654 | Standard | Masonville | IA | Delaware |
| 50655 | Standard | Maynard | IA | Fayette |
| 50657 | Standard | Morrison | IA | Grundy |
| 50658 | Standard | Nashua | IA | Chickasaw |
| 50659 | Standard | New Hampton | IA | Chickasaw |
| 50660 | Standard | New Hartford | IA | Butler |
| 50661 | PO Box | North Washington | IA | Chickasaw |
| 50662 | Standard | Oelwein | IA | Fayette |
| 50664 | Standard | Oran | IA | Fayette |
| 50665 | Standard | Parkersburg | IA | Butler |
| 50666 | Standard | Plainfield | IA | Bremer |
| 50667 | Standard | Raymond | IA | Black Hawk |
| 50668 | Standard | Readlyn | IA | Bremer |
| 50669 | Standard | Reinbeck | IA | Grundy |
| 50670 | Standard | Shell Rock | IA | Butler |
| 50671 | Standard | Stanley | IA | Buchanan |
| 50672 | Standard | Steamboat Rock | IA | Hardin |
| 50673 | PO Box | Stout | IA | Grundy |
| 50674 | Standard | Sumner | IA | Bremer |
| 50675 | Standard | Traer | IA | Tama |
| 50676 | Standard | Tripoli | IA | Bremer |
| 50677 | Standard | Waverly | IA | Bremer |
| 50680 | Standard | Wellsburg | IA | Grundy |
| 50681 | Standard | Westgate | IA | Fayette |
| 50682 | Standard | Winthrop | IA | Buchanan |
| 50701 | Standard | Waterloo | IA | Black Hawk |
| 50702 | Standard | Waterloo | IA | Black Hawk |
| 50703 | Standard | Waterloo | IA | Black Hawk |
| 50704 | PO Box | Waterloo | IA | Black Hawk |
| 50706 | Standard | Waterloo | IA | Black Hawk |
| 50707 | Standard | Evansdale | IA | Black Hawk |
| 50801 | Standard | Creston | IA | Union |
| 50830 | Standard | Afton | IA | Union |
| 50831 | PO Box | Arispe | IA | Union |
| 50833 | Standard | Bedford | IA | Taylor |
| 50835 | Standard | Benton | IA | Ringgold |
| 50836 | Standard | Blockton | IA | Taylor |
| 50837 | Standard | Bridgewater | IA | Adair |
| 50839 | Standard | Carbon | IA | Adams |
| 50840 | Standard | Clearfield | IA | Taylor |
| 50841 | Standard | Corning | IA | Adams |
| 50842 | Standard | Cromwell | IA | Union |
| 50843 | Standard | Cumberland | IA | Cass |
| 50845 | Standard | Diagonal | IA | Ringgold |
| 50846 | Standard | Fontanelle | IA | Adair |
| 50847 | PO Box | Grant | IA | Montgomery |
| 50848 | Standard | Gravity | IA | Taylor |
| 50849 | Standard | Greenfield | IA | Adair |
| 50851 | Standard | Lenox | IA | Taylor |
| 50853 | Standard | Massena | IA | Cass |
| 50854 | Standard | Mount Ayr | IA | Ringgold |
| 50857 | Standard | Nodaway | IA | Adams |
| 50858 | Standard | Orient | IA | Adair |
| 50859 | Standard | Prescott | IA | Adams |
| 50860 | Standard | Redding | IA | Ringgold |
| 50861 | Standard | Shannon City | IA | Union |
| 50862 | Standard | Sharpsburg | IA | Taylor |
| 50863 | Standard | Tingley | IA | Ringgold |
| 50864 | Standard | Villisca | IA | Montgomery |
| 50936 | Unique | Des Moines | IA | Polk |
| 50940 | Unique | Des Moines | IA | Polk |
| 50947 | Unique | Des Moines | IA | Polk |
| 50950 | Standard | Boone | IA | Polk |
| 50980 | Unique | Des Moines | IA | Polk |
| 50981 | Unique | Des Moines | IA | Polk |
| 50982 | Unique | Des Moines | IA | |
| 50983 | Unique | Des Moines | IA | |
| 51001 | Standard | Akron | IA | Plymouth |
| 51002 | Standard | Alta | IA | Buena Vista |
| 51003 | Standard | Alton | IA | Sioux |
| 51004 | Standard | Anthon | IA | Woodbury |
| 51005 | Standard | Aurelia | IA | Cherokee |
| 51006 | Standard | Battle Creek | IA | Ida |
| 51007 | Standard | Bronson | IA | Woodbury |
| 51008 | PO Box | Brunsville | IA | Plymouth |
| 51009 | PO Box | Calumet | IA | O'Brien |
| 51010 | Standard | Castana | IA | Monona |
| 51011 | Standard | Chatsworth | IA | Sioux |
| 51012 | Standard | Cherokee | IA | Cherokee |
| 51014 | Standard | Cleghorn | IA | Cherokee |
| 51015 | Standard | Climbing Hill | IA | Woodbury |
| 51016 | Standard | Correctionville | IA | Woodbury |
| 51018 | Standard | Cushing | IA | Woodbury |
| 51019 | Standard | Danbury | IA | Woodbury |
| 51020 | Standard | Galva | IA | Ida |
| 51022 | Standard | Granville | IA | Sioux |
| 51023 | Standard | Hawarden | IA | Sioux |
| 51024 | Standard | Hinton | IA | Plymouth |
| 51025 | Standard | Holstein | IA | Ida |
| 51026 | Standard | Hornick | IA | Woodbury |
| 51027 | Standard | Ireton | IA | Sioux |
| 51028 | Standard | Kingsley | IA | Plymouth |
| 51029 | Standard | Larrabee | IA | Cherokee |
| 51030 | Standard | Lawton | IA | Woodbury |
| 51031 | Standard | Le Mars | IA | Plymouth |
| 51033 | Standard | Linn Grove | IA | Buena Vista |
| 51034 | Standard | Mapleton | IA | Monona |
| 51035 | Standard | Marcus | IA | Cherokee |
| 51036 | Standard | Maurice | IA | Sioux |
| 51037 | Standard | Meriden | IA | Cherokee |
| 51038 | Standard | Merrill | IA | Plymouth |
| 51039 | Standard | Moville | IA | Woodbury |
| 51040 | Standard | Onawa | IA | Monona |
| 51041 | Standard | Orange City | IA | Sioux |
| 51044 | Standard | Oto | IA | Woodbury |
| 51045 | PO Box | Oyens | IA | Plymouth |
| 51046 | Standard | Paullina | IA | O'Brien |
| 51047 | Standard | Peterson | IA | Clay |
| 51048 | Standard | Pierson | IA | Woodbury |
| 51049 | Standard | Quimby | IA | Cherokee |
| 51050 | Standard | Remsen | IA | Plymouth |
| 51051 | Standard | Rodney | IA | Monona |
| 51052 | Standard | Salix | IA | Woodbury |
| 51053 | Standard | Schaller | IA | Sac |
| 51054 | Standard | Sergeant Bluff | IA | Woodbury |
| 51055 | Standard | Sloan | IA | Woodbury |
| 51056 | Standard | Smithland | IA | Woodbury |
| 51058 | Standard | Sutherland | IA | O'Brien |
| 51060 | Standard | Ute | IA | Monona |
| 51061 | Standard | Washta | IA | Cherokee |
| 51062 | Standard | Westfield | IA | Plymouth |
| 51063 | Standard | Whiting | IA | Monona |
| 51101 | Standard | Sioux City | IA | Woodbury |
| 51102 | PO Box | Sioux City | IA | Woodbury |
| 51103 | Standard | Sioux City | IA | Woodbury |
| 51104 | Standard | Sioux City | IA | Woodbury |
| 51105 | Standard | Sioux City | IA | Woodbury |
| 51106 | Standard | Sioux City | IA | Woodbury |
| 51108 | Standard | Sioux City | IA | Woodbury |
| 51109 | Standard | Sioux City | IA | Woodbury |
| 51111 | Standard | Sioux City | IA | Woodbury |
| 51201 | Standard | Sheldon | IA | O'Brien |
| 51230 | Standard | Alvord | IA | Lyon |
| 51231 | Standard | Archer | IA | O'Brien |
| 51232 | Standard | Ashton | IA | Osceola |
| 51234 | Standard | Boyden | IA | Sioux |
| 51235 | Standard | Doon | IA | Lyon |
| 51237 | Standard | George | IA | Lyon |
| 51238 | Standard | Hospers | IA | Sioux |
| 51239 | Standard | Hull | IA | Sioux |
| 51240 | Standard | Inwood | IA | Lyon |
| 51241 | Standard | Larchwood | IA | Lyon |
| 51242 | PO Box | Lester | IA | Lyon |
| 51243 | Standard | Little Rock | IA | Lyon |
| 51244 | Standard | Matlock | IA | Sioux |
| 51245 | Standard | Primghar | IA | O'Brien |
| 51246 | Standard | Rock Rapids | IA | Lyon |
| 51247 | Standard | Rock Valley | IA | Sioux |
| 51248 | Standard | Sanborn | IA | O'Brien |
| 51249 | Standard | Sibley | IA | Osceola |
| 51250 | Standard | Sioux Center | IA | Sioux |
| 51301 | Standard | Spencer | IA | Clay |
| 51331 | Standard | Arnolds Park | IA | Dickinson |
| 51333 | Standard | Dickens | IA | Clay |
| 51334 | Standard | Estherville | IA | Emmet |
| 51338 | Standard | Everly | IA | Clay |
| 51340 | PO Box | Fostoria | IA | Clay |
| 51341 | PO Box | Gillett Grove | IA | Clay |
| 51342 | Standard | Graettinger | IA | Palo Alto |
| 51343 | Standard | Greenville | IA | Clay |
| 51344 | PO Box | Gruver | IA | Emmet |
| 51345 | Standard | Harris | IA | Osceola |
| 51346 | Standard | Hartley | IA | O'Brien |
| 51347 | Standard | Lake Park | IA | Dickinson |
| 51350 | Standard | Melvin | IA | Osceola |
| 51351 | Standard | Milford | IA | Dickinson |
| 51354 | Standard | Ocheyedan | IA | Osceola |
| 51355 | Standard | Okoboji | IA | Dickinson |
| 51357 | Standard | Royal | IA | Clay |
| 51358 | Standard | Ruthven | IA | Palo Alto |
| 51360 | Standard | Spirit Lake | IA | Dickinson |
| 51363 | PO Box | Superior | IA | Dickinson |
| 51364 | Standard | Terril | IA | Dickinson |
| 51365 | Standard | Wallingford | IA | Emmet |
| 51366 | Standard | Webb | IA | Clay |
| 51401 | Standard | Carroll | IA | Carroll |
| 51430 | Standard | Arcadia | IA | Carroll |
| 51431 | Standard | Arthur | IA | Ida |
| 51432 | PO Box | Aspinwall | IA | Crawford |
| 51433 | Standard | Auburn | IA | Sac |
| 51436 | Standard | Breda | IA | Carroll |
| 51439 | Standard | Charter Oak | IA | Crawford |
| 51440 | Standard | Dedham | IA | Carroll |
| 51441 | Standard | Deloit | IA | Crawford |
| 51442 | Standard | Denison | IA | Crawford |
| 51443 | Standard | Glidden | IA | Carroll |
| 51444 | PO Box | Halbur | IA | Carroll |
| 51445 | Standard | Ida Grove | IA | Ida |
| 51446 | Standard | Irwin | IA | Shelby |
| 51447 | Standard | Kirkman | IA | Shelby |
| 51448 | Standard | Kiron | IA | Crawford |
| 51449 | Standard | Lake City | IA | Calhoun |
| 51450 | Standard | Lake View | IA | Sac |
| 51451 | PO Box | Lanesboro | IA | Carroll |
| 51452 | PO Box | Lidderdale | IA | Carroll |
| 51453 | Standard | Lohrville | IA | Calhoun |
| 51454 | Standard | Manilla | IA | Crawford |
| 51455 | Standard | Manning | IA | Carroll |
| 51458 | Standard | Odebolt | IA | Sac |
| 51459 | Standard | Ralston | IA | Carroll |
| 51460 | PO Box | Ricketts | IA | Crawford |
| 51461 | Standard | Schleswig | IA | Crawford |
| 51462 | Standard | Scranton | IA | Greene |
| 51463 | Standard | Templeton | IA | Carroll |
| 51465 | Standard | Vail | IA | Crawford |
| 51466 | Standard | Wall Lake | IA | Sac |
| 51467 | Standard | Westside | IA | Crawford |
| 51501 | Standard | Council Bluffs | IA | Pottawattamie |
| 51502 | PO Box | Council Bluffs | IA | Pottawattamie |
| 51503 | Standard | Council Bluffs | IA | Pottawattamie |
| 51510 | Standard | Carter Lake | IA | Pottawattamie |
| 51520 | Standard | Arion | IA | Crawford |
| 51521 | Standard | Avoca | IA | Pottawattamie |
| 51523 | Standard | Blencoe | IA | Monona |
| 51525 | Standard | Carson | IA | Pottawattamie |
| 51526 | Standard | Crescent | IA | Pottawattamie |
| 51527 | Standard | Defiance | IA | Shelby |
| 51528 | Standard | Dow City | IA | Crawford |
| 51529 | Standard | Dunlap | IA | Harrison |
| 51530 | Standard | Earling | IA | Shelby |
| 51531 | Standard | Elk Horn | IA | Shelby |
| 51532 | Standard | Elliott | IA | Montgomery |
| 51533 | Standard | Emerson | IA | Mills |
| 51534 | Standard | Glenwood | IA | Mills |
| 51535 | Standard | Griswold | IA | Cass |
| 51536 | Standard | Hancock | IA | Pottawattamie |
| 51537 | Standard | Harlan | IA | Shelby |
| 51540 | Standard | Hastings | IA | Mills |
| 51541 | Standard | Henderson | IA | Mills |
| 51542 | Standard | Honey Creek | IA | Pottawattamie |
| 51543 | Standard | Kimballton | IA | Audubon |
| 51544 | Standard | Lewis | IA | Cass |
| 51545 | Standard | Little Sioux | IA | Harrison |
| 51546 | Standard | Logan | IA | Harrison |
| 51548 | Standard | Mc Clelland | IA | Pottawattamie |
| 51549 | Standard | Macedonia | IA | Pottawattamie |
| 51550 | Standard | Magnolia | IA | Harrison |
| 51551 | Standard | Malvern | IA | Mills |
| 51552 | Standard | Marne | IA | Cass |
| 51553 | Standard | Minden | IA | Pottawattamie |
| 51554 | PO Box | Mineola | IA | Mills |
| 51555 | Standard | Missouri Valley | IA | Harrison |
| 51556 | Standard | Modale | IA | Harrison |
| 51557 | Standard | Mondamin | IA | Harrison |
| 51558 | Standard | Moorhead | IA | Monona |
| 51559 | Standard | Neola | IA | Pottawattamie |
| 51560 | Standard | Oakland | IA | Pottawattamie |
| 51561 | Standard | Pacific Junction | IA | Mills |
| 51562 | Standard | Panama | IA | Shelby |
| 51563 | Standard | Persia | IA | Harrison |
| 51564 | Standard | Pisgah | IA | Harrison |
| 51565 | Standard | Portsmouth | IA | Shelby |
| 51566 | Standard | Red Oak | IA | Montgomery |
| 51570 | Standard | Shelby | IA | Shelby |
| 51571 | Standard | Silver City | IA | Mills |
| 51572 | Standard | Soldier | IA | Monona |
| 51573 | Standard | Stanton | IA | Montgomery |
| 51575 | Standard | Treynor | IA | Pottawattamie |
| 51576 | Standard | Underwood | IA | Pottawattamie |
| 51577 | Standard | Walnut | IA | Pottawattamie |
| 51578 | PO Box | Westphalia | IA | Shelby |
| 51579 | Standard | Woodbine | IA | Harrison |
| 51591 | PO Box | Red Oak | IA | Montgomery |
| 51593 | PO Box | Harlan | IA | Shelby |
| 51601 | Standard | Shenandoah | IA | Page |
| 51602 | Unique | Shenandoah | IA | Page |
| 51603 | Unique | Shenandoah | IA | Page |
| 51630 | Standard | Blanchard | IA | Page |
| 51631 | Standard | Braddyville | IA | Page |
| 51632 | Standard | Clarinda | IA | Page |
| 51636 | Standard | Coin | IA | Page |
| 51637 | PO Box | College Springs | IA | Page |
| 51638 | Standard | Essex | IA | Page |
| 51639 | Standard | Farragut | IA | Fremont |
| 51640 | Standard | Hamburg | IA | Fremont |
| 51645 | Standard | Imogene | IA | Fremont |
| 51646 | Standard | New Market | IA | Taylor |
| 51647 | Standard | Northboro | IA | Page |
| 51648 | Standard | Percival | IA | Fremont |
| 51649 | Standard | Randolph | IA | Fremont |
| 51650 | Standard | Riverton | IA | Fremont |
| 51651 | PO Box | Shambaugh | IA | Page |
| 51652 | Standard | Sidney | IA | Fremont |
| 51653 | Standard | Tabor | IA | Fremont |
| 51654 | Standard | Thurman | IA | Fremont |
| 51656 | PO Box | Yorktown | IA | Page |
| 52001 | Standard | Dubuque | IA | Dubuque |
| 52002 | Standard | Dubuque | IA | Dubuque |
| 52003 | Standard | Dubuque | IA | Dubuque |
| 52004 | PO Box | Dubuque | IA | Dubuque |
| 52030 | PO Box | Andrew | IA | Jackson |
| 52031 | Standard | Bellevue | IA | Jackson |
| 52032 | Standard | Bernard | IA | Dubuque |
| 52033 | Standard | Cascade | IA | Dubuque |
| 52035 | Standard | Colesburg | IA | Delaware |
| 52036 | Standard | Delaware | IA | Delaware |
| 52037 | Standard | Delmar | IA | Clinton |
| 52038 | Standard | Dundee | IA | Delaware |
| 52039 | Standard | Durango | IA | Dubuque |
| 52040 | Standard | Dyersville | IA | Dubuque |
| 52041 | Standard | Earlville | IA | Delaware |
| 52042 | Standard | Edgewood | IA | Clayton |
| 52043 | Standard | Elkader | IA | Clayton |
| 52044 | Standard | Elkport | IA | Clayton |
| 52045 | Standard | Epworth | IA | Dubuque |
| 52046 | Standard | Farley | IA | Dubuque |
| 52047 | Standard | Farmersburg | IA | Clayton |
| 52048 | Standard | Garber | IA | Clayton |
| 52049 | Standard | Garnavillo | IA | Clayton |
| 52050 | Standard | Greeley | IA | Delaware |
| 52052 | Standard | Guttenberg | IA | Clayton |
| 52053 | Standard | Holy Cross | IA | Dubuque |
| 52054 | Standard | La Motte | IA | Jackson |
| 52056 | PO Box | Luxemburg | IA | Dubuque |
| 52057 | Standard | Manchester | IA | Delaware |
| 52060 | Standard | Maquoketa | IA | Jackson |
| 52064 | Standard | Miles | IA | Jackson |
| 52065 | Standard | New Vienna | IA | Dubuque |
| 52066 | Standard | North Buena Vista | IA | Clayton |
| 52068 | Standard | Peosta | IA | Dubuque |
| 52069 | Standard | Preston | IA | Jackson |
| 52070 | Standard | Sabula | IA | Jackson |
| 52071 | PO Box | Saint Donatus | IA | Jackson |
| 52072 | Standard | Saint Olaf | IA | Clayton |
| 52073 | Standard | Sherrill | IA | Dubuque |
| 52074 | Standard | Spragueville | IA | Jackson |
| 52075 | PO Box | Springbrook | IA | Jackson |
| 52076 | Standard | Strawberry Point | IA | Clayton |
| 52077 | Standard | Volga | IA | Clayton |
| 52078 | Standard | Worthington | IA | Dubuque |
| 52079 | Standard | Zwingle | IA | Jackson |
| 52099 | Unique | Dubuque | IA | Dubuque |
| 52101 | Standard | Decorah | IA | Winneshiek |
| 52132 | Standard | Calmar | IA | Winneshiek |
| 52133 | Standard | Castalia | IA | Winneshiek |
| 52134 | Standard | Chester | IA | Howard |
| 52135 | Standard | Clermont | IA | Fayette |
| 52136 | Standard | Cresco | IA | Howard |
| 52140 | Standard | Dorchester | IA | Allamakee |
| 52141 | Standard | Elgin | IA | Fayette |
| 52142 | Standard | Fayette | IA | Fayette |
| 52144 | Standard | Fort Atkinson | IA | Winneshiek |
| 52146 | Standard | Harpers Ferry | IA | Allamakee |
| 52147 | Standard | Hawkeye | IA | Fayette |
| 52149 | PO Box | Highlandville | IA | Winneshiek |
| 52151 | Standard | Lansing | IA | Allamakee |
| 52154 | Standard | Lawler | IA | Chickasaw |
| 52155 | Standard | Lime Springs | IA | Howard |
| 52156 | Standard | Luana | IA | Clayton |
| 52157 | Standard | Mc Gregor | IA | Clayton |
| 52158 | PO Box | Marquette | IA | Clayton |
| 52159 | Standard | Monona | IA | Clayton |
| 52160 | Standard | New Albin | IA | Allamakee |
| 52161 | Standard | Ossian | IA | Winneshiek |
| 52162 | Standard | Postville | IA | Allamakee |
| 52163 | PO Box | Protivin | IA | Howard |
| 52164 | Standard | Randalia | IA | Fayette |
| 52165 | Standard | Ridgeway | IA | Winneshiek |
| 52166 | PO Box | Saint Lucas | IA | Fayette |
| 52168 | PO Box | Spillville | IA | Winneshiek |
| 52169 | Standard | Wadena | IA | Fayette |
| 52170 | Standard | Waterville | IA | Allamakee |
| 52171 | Standard | Waucoma | IA | Fayette |
| 52172 | Standard | Waukon | IA | Allamakee |
| 52175 | Standard | West Union | IA | Fayette |
| 52201 | Standard | Ainsworth | IA | Washington |
| 52202 | Standard | Alburnett | IA | Linn |
| 52203 | Standard | Amana | IA | Iowa |
| 52204 | Unique | Amana | IA | Iowa |
| 52205 | Standard | Anamosa | IA | Jones |
| 52206 | Standard | Atkins | IA | Benton |
| 52207 | Standard | Baldwin | IA | Jackson |
| 52208 | Standard | Belle Plaine | IA | Benton |
| 52209 | Standard | Blairstown | IA | Benton |
| 52210 | Standard | Brandon | IA | Buchanan |
| 52211 | Standard | Brooklyn | IA | Poweshiek |
| 52212 | Standard | Center Junction | IA | Jones |
| 52213 | Standard | Center Point | IA | Linn |
| 52214 | Standard | Central City | IA | Linn |
| 52215 | Standard | Chelsea | IA | Tama |
| 52216 | Standard | Clarence | IA | Cedar |
| 52217 | Standard | Clutier | IA | Tama |
| 52218 | Standard | Coggon | IA | Linn |
| 52219 | Standard | Prairieburg | IA | Linn |
| 52220 | PO Box | Conroy | IA | Iowa |
| 52221 | Standard | Guernsey | IA | Poweshiek |
| 52222 | Standard | Deep River | IA | Poweshiek |
| 52223 | Standard | Delhi | IA | Delaware |
| 52224 | Standard | Dysart | IA | Tama |
| 52225 | Standard | Elberon | IA | Tama |
| 52227 | Standard | Ely | IA | Linn |
| 52228 | Standard | Fairfax | IA | Linn |
| 52229 | Standard | Garrison | IA | Benton |
| 52231 | Standard | Harper | IA | Keokuk |
| 52232 | Standard | Hartwick | IA | Poweshiek |
| 52233 | Standard | Hiawatha | IA | Linn |
| 52235 | PO Box | Hills | IA | Johnson |
| 52236 | Standard | Homestead | IA | Iowa |
| 52237 | Standard | Hopkinton | IA | Delaware |
| 52240 | Standard | Iowa City | IA | Johnson |
| 52241 | Standard | Coralville | IA | Johnson |
| 52242 | Standard | Iowa City | IA | Johnson |
| 52243 | Unique | Iowa City | IA | Johnson |
| 52244 | PO Box | Iowa City | IA | Johnson |
| 52245 | Standard | Iowa City | IA | Johnson |
| 52246 | Standard | Iowa City | IA | Johnson |
| 52247 | Standard | Kalona | IA | Washington |
| 52248 | Standard | Keota | IA | Keokuk |
| 52249 | Standard | Keystone | IA | Benton |
| 52251 | Standard | Ladora | IA | Iowa |
| 52252 | Standard | Langworthy | IA | Jones |
| 52253 | Standard | Lisbon | IA | Linn |
| 52254 | Standard | Lost Nation | IA | Clinton |
| 52255 | Standard | Lowden | IA | Cedar |
| 52257 | Standard | Luzerne | IA | Benton |
| 52301 | Standard | Marengo | IA | Iowa |
| 52302 | Standard | Marion | IA | Linn |
| 52305 | Standard | Martelle | IA | Jones |
| 52306 | Standard | Mechanicsville | IA | Cedar |
| 52307 | PO Box | Middle Amana | IA | Iowa |
| 52308 | PO Box | Millersburg | IA | Iowa |
| 52309 | Standard | Monmouth | IA | Jackson |
| 52310 | Standard | Monticello | IA | Jones |
| 52312 | Standard | Morley | IA | Jones |
| 52313 | Standard | Mount Auburn | IA | Benton |
| 52314 | Standard | Mount Vernon | IA | Linn |
| 52315 | Standard | Newhall | IA | Benton |
| 52316 | Standard | North English | IA | Iowa |
| 52317 | Standard | North Liberty | IA | Johnson |
| 52318 | Standard | Norway | IA | Benton |
| 52319 | PO Box | Oakdale | IA | Johnson |
| 52320 | Standard | Olin | IA | Jones |
| 52321 | Standard | Onslow | IA | Jones |
| 52322 | Standard | Oxford | IA | Johnson |
| 52323 | Standard | Oxford Junction | IA | Jones |
| 52324 | Standard | Palo | IA | Linn |
| 52325 | Standard | Parnell | IA | Iowa |
| 52326 | Standard | Quasqueton | IA | Buchanan |
| 52327 | Standard | Riverside | IA | Washington |
| 52328 | Standard | Robins | IA | Linn |
| 52329 | Standard | Rowley | IA | Buchanan |
| 52330 | Standard | Ryan | IA | Delaware |
| 52332 | Standard | Shellsburg | IA | Benton |
| 52333 | Standard | Solon | IA | Johnson |
| 52334 | Standard | South Amana | IA | Iowa |
| 52335 | Standard | South English | IA | Keokuk |
| 52336 | Standard | Springville | IA | Linn |
| 52337 | Standard | Stanwood | IA | Cedar |
| 52338 | Standard | Swisher | IA | Johnson |
| 52339 | Standard | Tama | IA | Tama |
| 52340 | Standard | Tiffin | IA | Johnson |
| 52341 | Standard | Toddville | IA | Linn |
| 52342 | Standard | Toledo | IA | Tama |
| 52344 | PO Box | Troy Mills | IA | Linn |
| 52345 | Standard | Urbana | IA | Benton |
| 52346 | Standard | Van Horne | IA | Benton |
| 52347 | Standard | Victor | IA | Iowa |
| 52348 | PO Box | Vining | IA | Tama |
| 52349 | Standard | Vinton | IA | Benton |
| 52350 | PO Box | Viola | IA | Linn |
| 52351 | Standard | Walford | IA | Benton |
| 52352 | Standard | Walker | IA | Linn |
| 52353 | Standard | Washington | IA | Washington |
| 52354 | Standard | Watkins | IA | Benton |
| 52355 | Standard | Webster | IA | Keokuk |
| 52356 | Standard | Wellman | IA | Washington |
| 52358 | Standard | West Branch | IA | Cedar |
| 52359 | Standard | West Chester | IA | Washington |
| 52361 | Standard | Williamsburg | IA | Iowa |
| 52362 | Standard | Wyoming | IA | Jones |
| 52401 | Standard | Cedar Rapids | IA | Linn |
| 52402 | Standard | Cedar Rapids | IA | Linn |
| 52403 | Standard | Cedar Rapids | IA | Linn |
| 52404 | Standard | Cedar Rapids | IA | Linn |
| 52405 | Standard | Cedar Rapids | IA | Linn |
| 52406 | PO Box | Cedar Rapids | IA | Linn |
| 52407 | PO Box | Cedar Rapids | IA | Linn |
| 52408 | PO Box | Cedar Rapids | IA | Linn |
| 52409 | PO Box | Cedar Rapids | IA | Linn |
| 52410 | PO Box | Cedar Rapids | IA | Linn |
| 52411 | Standard | Cedar Rapids | IA | Linn |
| 52497 | Unique | Cedar Rapids | IA | Linn |
| 52498 | Unique | Cedar Rapids | IA | Linn |
| 52499 | Unique | Cedar Rapids | IA | Linn |
| 52501 | Standard | Ottumwa | IA | Wapello |
| 52530 | Standard | Agency | IA | Wapello |
| 52531 | Standard | Albia | IA | Monroe |
| 52533 | Standard | Batavia | IA | Jefferson |
| 52534 | Standard | Beacon | IA | Mahaska |
| 52535 | Standard | Birmingham | IA | Van Buren |
| 52536 | Standard | Blakesburg | IA | Wapello |
| 52537 | Standard | Bloomfield | IA | Davis |
| 52538 | Standard | West Grove | IA | Davis |
| 52540 | Standard | Brighton | IA | Washington |
| 52542 | Standard | Cantril | IA | Van Buren |
| 52543 | Standard | Cedar | IA | Mahaska |
| 52544 | Standard | Centerville | IA | Appanoose |
| 52548 | Standard | Chillicothe | IA | Wapello |
| 52549 | Standard | Cincinnati | IA | Appanoose |
| 52550 | Standard | Delta | IA | Keokuk |
| 52551 | Standard | Douds | IA | Van Buren |
| 52552 | Standard | Drakesville | IA | Davis |
| 52553 | Standard | Eddyville | IA | Wapello |
| 52554 | Standard | Eldon | IA | Wapello |
| 52555 | Standard | Exline | IA | Appanoose |
| 52556 | Standard | Fairfield | IA | Jefferson |
| 52557 | Unique | Fairfield | IA | Jefferson |
| 52560 | Standard | Floris | IA | Davis |
| 52561 | Standard | Fremont | IA | Mahaska |
| 52562 | Standard | Hayesville | IA | Keokuk |
| 52563 | Standard | Hedrick | IA | Keokuk |
| 52565 | Standard | Keosauqua | IA | Van Buren |
| 52566 | Standard | Kirkville | IA | Wapello |
| 52567 | Standard | Libertyville | IA | Jefferson |
| 52568 | PO Box | Martinsburg | IA | Keokuk |
| 52569 | Standard | Melrose | IA | Monroe |
| 52570 | Standard | Milton | IA | Van Buren |
| 52571 | Standard | Moravia | IA | Appanoose |
| 52572 | Standard | Moulton | IA | Appanoose |
| 52573 | Standard | Mount Sterling | IA | Van Buren |
| 52574 | Standard | Mystic | IA | Appanoose |
| 52576 | Standard | Ollie | IA | Keokuk |
| 52577 | Standard | Oskaloosa | IA | Mahaska |
| 52580 | Standard | Packwood | IA | Jefferson |
| 52581 | Standard | Plano | IA | Appanoose |
| 52583 | Standard | Promise City | IA | Wayne |
| 52584 | Standard | Pulaski | IA | Davis |
| 52585 | Standard | Richland | IA | Keokuk |
| 52586 | Standard | Rose Hill | IA | Mahaska |
| 52588 | Standard | Selma | IA | Van Buren |
| 52590 | Standard | Seymour | IA | Wayne |
| 52591 | Standard | Sigourney | IA | Keokuk |
| 52593 | Standard | Udell | IA | Appanoose |
| 52594 | Standard | Unionville | IA | Appanoose |
| 52595 | PO Box | University Park | IA | Mahaska |
| 52601 | Standard | Burlington | IA | Des Moines |
| 52619 | Standard | Argyle | IA | Lee |
| 52620 | Standard | Bonaparte | IA | Van Buren |
| 52621 | Standard | Crawfordsville | IA | Washington |
| 52623 | Standard | Danville | IA | Des Moines |
| 52624 | PO Box | Denmark | IA | Lee |
| 52625 | Standard | Donnellson | IA | Lee |
| 52626 | Standard | Farmington | IA | Van Buren |
| 52627 | Standard | Fort Madison | IA | Lee |
| 52630 | Standard | Hillsboro | IA | Henry |
| 52631 | PO Box | Houghton | IA | Lee |
| 52632 | Standard | Keokuk | IA | Lee |
| 52635 | Standard | Lockridge | IA | Jefferson |
| 52637 | Standard | Mediapolis | IA | Des Moines |
| 52638 | Standard | Middletown | IA | Des Moines |
| 52639 | Standard | Montrose | IA | Lee |
| 52640 | Standard | Morning Sun | IA | Louisa |
| 52641 | Standard | Mount Pleasant | IA | Henry |
| 52642 | PO Box | Rome | IA | Henry |
| 52644 | Standard | Mount Union | IA | Henry |
| 52645 | Standard | New London | IA | Henry |
| 52646 | Standard | Oakville | IA | Louisa |
| 52647 | PO Box | Olds | IA | Henry |
| 52648 | Standard | Pilot Grove | IA | Lee |
| 52649 | Standard | Salem | IA | Henry |
| 52650 | Standard | Sperry | IA | Des Moines |
| 52651 | Standard | Stockport | IA | Van Buren |
| 52652 | PO Box | Swedesburg | IA | Henry |
| 52653 | Standard | Wapello | IA | Louisa |
| 52654 | Standard | Wayland | IA | Henry |
| 52655 | Standard | West Burlington | IA | Des Moines |
| 52656 | Standard | West Point | IA | Lee |
| 52657 | Standard | Saint Paul | IA | Lee |
| 52658 | Standard | Wever | IA | Lee |
| 52659 | Standard | Winfield | IA | Henry |
| 52660 | Standard | Yarmouth | IA | Des Moines |
| 52701 | PO Box | Andover | IA | Clinton |
| 52720 | Standard | Atalissa | IA | Muscatine |
| 52721 | Standard | Bennett | IA | Cedar |
| 52722 | Standard | Bettendorf | IA | Scott |
| 52726 | Standard | Blue Grass | IA | Scott |
| 52727 | Standard | Bryant | IA | Clinton |
| 52728 | PO Box | Buffalo | IA | Scott |
| 52729 | Standard | Calamus | IA | Clinton |
| 52730 | Standard | Camanche | IA | Clinton |
| 52731 | Standard | Charlotte | IA | Clinton |
| 52732 | Standard | Clinton | IA | Clinton |
| 52733 | PO Box | Clinton | IA | Clinton |
| 52734 | Unique | Clinton | IA | Clinton |
| 52736 | Unique | Clinton | IA | Clinton |
| 52737 | Standard | Columbus City | IA | Louisa |
| 52738 | Standard | Columbus Junction | IA | Louisa |
| 52739 | Standard | Conesville | IA | Muscatine |
| 52742 | Standard | De Witt | IA | Clinton |
| 52745 | Standard | Dixon | IA | Scott |
| 52746 | Standard | Donahue | IA | Scott |
| 52747 | Standard | Durant | IA | Cedar |
| 52748 | Standard | Eldridge | IA | Scott |
| 52749 | Standard | Fruitland | IA | Muscatine |
| 52750 | Standard | Goose Lake | IA | Clinton |
| 52751 | Standard | Grand Mound | IA | Clinton |
| 52752 | PO Box | Grandview | IA | Louisa |
| 52753 | Standard | Le Claire | IA | Scott |
| 52754 | Standard | Letts | IA | Louisa |
| 52755 | Standard | Lone Tree | IA | Johnson |
| 52756 | Standard | Long Grove | IA | Scott |
| 52757 | PO Box | Low Moor | IA | Clinton |
| 52758 | PO Box | Mc Causland | IA | Scott |
| 52759 | Standard | Montpelier | IA | Muscatine |
| 52760 | Standard | Moscow | IA | Muscatine |
| 52761 | Standard | Muscatine | IA | Muscatine |
| 52765 | Standard | New Liberty | IA | Scott |
| 52766 | Standard | Nichols | IA | Muscatine |
| 52767 | PO Box | Pleasant Valley | IA | Scott |
| 52768 | Standard | Princeton | IA | Scott |
| 52769 | Standard | Stockton | IA | Muscatine |
| 52771 | Standard | Teeds Grove | IA | Clinton |
| 52772 | Standard | Tipton | IA | Cedar |
| 52773 | Standard | Walcott | IA | Scott |
| 52774 | PO Box | Welton | IA | Clinton |
| 52776 | Standard | West Liberty | IA | Muscatine |
| 52777 | Standard | Wheatland | IA | Clinton |
| 52778 | Standard | Wilton | IA | Muscatine |
| 52801 | Standard | Davenport | IA | Scott |
| 52802 | Standard | Davenport | IA | Scott |
| 52803 | Standard | Davenport | IA | Scott |
| 52804 | Standard | Davenport | IA | Scott |
| 52805 | PO Box | Davenport | IA | Scott |
| 52806 | Standard | Davenport | IA | Scott |
| 52807 | Standard | Davenport | IA | Scott |
| 52808 | PO Box | Davenport | IA | Scott |
| 52809 | PO Box | Davenport | IA | Scott |