Prefix 51 contains 217 ZIP code records across 204 mapped localities in United States.
Based on 80 records, 80 postal code values and 72 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| 51001 | Akron | Iowa / Plymouth | 42.8354, -96.5225 |
| 51002 | Alta | Iowa / Buena Vista | 42.6771, -95.3129 |
| 51003 | Alton | Iowa / Sioux | 42.9782, -96.0173 |
| 51004 | Anthon | Iowa / Woodbury | 42.387, -95.8948 |
| 51005 | Aurelia | Iowa / Cherokee | 42.6912, -95.4381 |
| 51006 | Battle Creek | Iowa / Ida | 42.3327, -95.6045 |
Compare this range with other active ZIP code prefixes from the same country-level directory.
This page keeps a bounded sample for fast crawling and links each code to its canonical lookup page. Use the country export when you need the full prefix dataset.
| Postal code | Locality | Region | Coordinates |
|---|---|---|---|
| 51001 | Akron | Iowa / Plymouth | 42.8354, -96.5225 |
| 51002 | Alta | Iowa / Buena Vista | 42.6771, -95.3129 |
| 51003 | Alton | Iowa / Sioux | 42.9782, -96.0173 |
| 51004 | Anthon | Iowa / Woodbury | 42.387, -95.8948 |
| 51005 | Aurelia | Iowa / Cherokee | 42.6912, -95.4381 |
| 51006 | Battle Creek | Iowa / Ida | 42.3327, -95.6045 |
| 51007 | Bronson | Iowa / Woodbury | 42.4292, -96.1986 |
| 51008 | Brunsville | Iowa / Plymouth | 42.8093, -96.2626 |
| 51009 | Calumet | Iowa / O'Brien | 42.9444, -95.5515 |
| 51010 | Castana | Iowa / Monona | 42.0744, -95.9086 |
| 51011 | Chatsworth | Iowa / Sioux | 42.9163, -96.5145 |
| 51012 | Cherokee | Iowa / Cherokee | 42.7482, -95.5568 |
| 51014 | Cleghorn | Iowa / Cherokee | 42.8086, -95.7124 |
| 51015 | Climbing Hill | Iowa / Woodbury | 42.345, -96.0875 |
| 51016 | Correctionville | Iowa / Woodbury | 42.4743, -95.7804 |
| 51018 | Cushing | Iowa / Woodbury | 42.4642, -95.6775 |
| 51019 | Danbury | Iowa / Woodbury | 42.2693, -95.7263 |
| 51020 | Galva | Iowa / Ida | 42.5105, -95.4298 |
| 51022 | Granville | Iowa / Sioux | 42.9693, -95.8972 |
| 51023 | Hawarden | Iowa / Sioux | 43.0013, -96.473 |
| 51024 | Hinton | Iowa / Plymouth | 42.604, -96.305 |
| 51025 | Holstein | Iowa / Ida | 42.4948, -95.565 |
| 51026 | Hornick | Iowa / Woodbury | 42.2897, -96.0796 |
| 51027 | Ireton | Iowa / Sioux | 42.9666, -96.3232 |
| 51028 | Kingsley | Iowa / Plymouth | 42.6191, -95.9762 |
| 51029 | Larrabee | Iowa / Cherokee | 42.8608, -95.5453 |
| 51030 | Lawton | Iowa / Woodbury | 42.5047, -96.2189 |
| 51031 | Le Mars | Iowa / Plymouth | 42.7962, -96.1704 |
| 51033 | Linn Grove | Iowa / Buena Vista | 42.8742, -95.2512 |
| 51034 | Mapleton | Iowa / Monona | 42.1585, -95.7909 |
| 51035 | Marcus | Iowa / Cherokee | 42.82, -95.8034 |
| 51036 | Maurice | Iowa / Sioux | 42.9626, -96.1655 |
| 51037 | Meriden | Iowa / Cherokee | 42.7874, -95.6408 |
| 51038 | Merrill | Iowa / Plymouth | 42.7047, -96.2283 |
| 51039 | Moville | Iowa / Woodbury | 42.4819, -96.0656 |
| 51040 | Onawa | Iowa / Monona | 42.037, -96.1072 |
| 51041 | Orange City | Iowa / Sioux | 43.0185, -96.0565 |
| 51044 | Oto | Iowa / Woodbury | 42.2646, -95.8616 |
| 51045 | Oyens | Iowa / Plymouth | 42.8199, -96.0566 |
| 51046 | Paullina | Iowa / O'Brien | 42.9703, -95.7083 |
| 51047 | Peterson | Iowa / Clay | 42.9328, -95.3377 |
| 51048 | Pierson | Iowa / Woodbury | 42.5335, -95.8922 |
| 51049 | Quimby | Iowa / Cherokee | 42.6303, -95.642 |
| 51050 | Remsen | Iowa / Plymouth | 42.8149, -95.9544 |
| 51051 | Rodney | Iowa / Monona | 42.198, -95.9769 |
| 51052 | Salix | Iowa / Woodbury | 42.3306, -96.2879 |
| 51053 | Schaller | Iowa / Sac | 42.5055, -95.2846 |
| 51054 | Sergeant Bluff | Iowa / Woodbury | 42.4019, -96.3534 |
| 51055 | Sloan | Iowa / Woodbury | 42.2427, -96.2306 |
| 51056 | Smithland | Iowa / Woodbury | 42.2408, -95.9486 |
| 51058 | Sutherland | Iowa / O'Brien | 42.9826, -95.4807 |
| 51060 | Ute | Iowa / Monona | 42.0581, -95.7125 |
| 51061 | Washta | Iowa / Cherokee | 42.5781, -95.7295 |
| 51062 | Westfield | Iowa / Plymouth | 42.6953, -96.492 |
| 51063 | Whiting | Iowa / Monona | 42.1522, -96.1822 |
| 51101 | Sioux City | Iowa / Woodbury | 42.4972, -96.4029 |
| 51102 | Sioux City | Iowa / Woodbury | 42.3684, -96.318 |
| 51103 | Sioux City | Iowa / Woodbury | 42.5068, -96.4295 |
| 51104 | Sioux City | Iowa / Woodbury | 42.5254, -96.4005 |
| 51105 | Sioux City | Iowa / Woodbury | 42.5032, -96.3829 |
| 51106 | Sioux City | Iowa / Woodbury | 42.4671, -96.3528 |
| 51108 | Sioux City | Iowa / Woodbury | 42.5469, -96.3617 |
| 51109 | Sioux City | Iowa / Woodbury | 42.5173, -96.4803 |
| 51111 | Sioux City | Iowa / Woodbury | 42.4089, -96.3713 |
| 51201 | Sheldon | Iowa / O'Brien | 43.1808, -95.8401 |
| 51230 | Alvord | Iowa / Lyon | 43.3201, -96.291 |
| 51231 | Archer | Iowa / O'Brien | 43.1179, -95.7417 |
| 51232 | Ashton | Iowa / Osceola | 43.3053, -95.7655 |
| 51234 | Boyden | Iowa / Sioux | 43.2034, -95.9823 |
| 51235 | Doon | Iowa / Lyon | 43.2872, -96.202 |
| 51237 | George | Iowa / Lyon | 43.3439, -95.9894 |
| 51238 | Hospers | Iowa / Sioux | 43.0793, -95.9142 |
| 51239 | Hull | Iowa / Sioux | 43.1952, -96.1392 |
| 51240 | Inwood | Iowa / Lyon | 43.3047, -96.4363 |
| 51241 | Larchwood | Iowa / Lyon | 43.4387, -96.4252 |
| 51242 | Lester | Iowa / Lyon | 43.4443, -96.3361 |
| 51243 | Little Rock | Iowa / Lyon | 43.4496, -95.8926 |
| 51244 | Matlock | Iowa / Sioux | 43.2439, -95.9353 |
| 51245 | Primghar | Iowa / O'Brien | 43.0759, -95.6533 |
| 51246 | Rock Rapids | Iowa / Lyon | 43.4272, -96.1781 |
Showing 80 representative records from 217 matching codes to keep the page fast and crawlable. Download the United States dataset for complete coverage.