ZIP codes starting with 504
Where is ZIP code prefix 504?
Mason City, Iowa
57 active ZIP codes, from 50401 to 50484
| ZIP code | City | County | Type | Population |
|---|---|---|---|---|
| 50401 | Mason City, IA | Cerro Gordo County | Standard | 28,703 |
| 50402 | Mason City, IA | Cerro Gordo County | PO Box only | – |
| 50420 | Alexander, IA | Franklin County | Standard | 473 |
| 50421 | Belmond, IA | Wright County | Standard | 3,168 |
| 50423 | Britt, IA | Hancock County | Standard | 2,291 |
| 50424 | Buffalo Center, IA | Winnebago County | Standard | 1,441 |
| 50426 | Carpenter, IA | Mitchell County | Standard | 81 |
| 50427 | Chapin, IA | Franklin County | Standard | 137 |
| 50428 | Clear Lake, IA | Cerro Gordo County | Standard | 9,071 |
| 50430 | Corwith, IA | Hancock County | Standard | 520 |
| 50431 | Coulter, IA | Franklin County | PO Box only | 228 |
| 50432 | Crystal Lake, IA | Hancock County | PO Box only | 283 |
| 50433 | Dougherty, IA | Cerro Gordo County | Standard | 157 |
| 50434 | Fertile, IA | Worth County | Standard | 396 |
| 50435 | Floyd, IA | Floyd County | Standard | 713 |
| 50436 | Forest City, IA | Winnebago County | Standard | 5,771 |
| 50438 | Garner, IA | Hancock County | Standard | 3,995 |
| 50439 | Goodell, IA | Hancock County | Standard | 454 |
| 50440 | Grafton, IA | Worth County | Standard | 361 |
| 50441 | Hampton, IA | Franklin County | Standard | 5,450 |
| 50444 | Hanlontown, IA | Worth County | Standard | 394 |
| 50446 | Joice, IA | Worth County | Standard | 476 |
| 50447 | Kanawha, IA | Hancock County | Standard | 1,145 |
| 50448 | Kensett, IA | Worth County | Standard | 620 |
| 50449 | Klemme, IA | Hancock County | Standard | 785 |
| 50450 | Lake Mills, IA | Winnebago County | Standard | 2,952 |
| 50451 | Lakota, IA | Kossuth County | Standard | 432 |
| 50452 | Latimer, IA | Franklin County | Standard | 946 |
| 50453 | Leland, IA | Winnebago County | Standard | 537 |
| 50454 | Little Cedar, IA | Mitchell County | Standard | 229 |
| 50455 | Mc Intire, IA | Mitchell County | Standard | 201 |
| 50456 | Manly, IA | Worth County | Standard | 1,699 |
| 50457 | Meservey, IA | Cerro Gordo County | Standard | 463 |
| 50458 | Nora Springs, IA | Floyd County | Standard | 2,094 |
| 50459 | Northwood, IA | Worth County | Standard | 3,045 |
| 50460 | Orchard, IA | Mitchell County | Standard | 688 |
| 50461 | Osage, IA | Mitchell County | Standard | 5,228 |
| 50464 | Plymouth, IA | Cerro Gordo County | Standard | 694 |
| 50465 | Rake, IA | Winnebago County | PO Box only | 190 |
| 50466 | Riceville, IA | Mitchell County | Standard | 1,972 |
| 50467 | Rock Falls, IA | Cerro Gordo County | Standard | 63 |
| 50468 | Rockford, IA | Floyd County | Standard | 1,617 |
| 50469 | Rockwell, IA | Cerro Gordo County | Standard | 1,527 |
| 50470 | Rowan, IA | Wright County | Standard | 287 |
| 50471 | Rudd, IA | Floyd County | Standard | 740 |
| 50472 | Saint Ansgar, IA | Mitchell County | Standard | 2,560 |
| 50473 | Scarville, IA | Winnebago County | Standard | 219 |
| 50475 | Sheffield, IA | Franklin County | Standard | 1,446 |
| 50476 | Stacyville, IA | Mitchell County | Standard | 706 |
| 50477 | Swaledale, IA | Cerro Gordo County | Standard | 250 |
| 50478 | Thompson, IA | Winnebago County | Standard | 737 |
| 50479 | Thornton, IA | Cerro Gordo County | Standard | 655 |
| 50480 | Titonka, IA | Kossuth County | Standard | 809 |
| 50481 | Toeterville, IA | Mitchell County | Standard | – |
| 50482 | Ventura, IA | Cerro Gordo County | Standard | 748 |
| 50483 | Wesley, IA | Kossuth County | Standard | 672 |
| 50484 | Woden, IA | Hancock County | Standard | 411 |
States
Questions
- Where are ZIP codes starting with 504?
- ZIP codes that start with 504 are in Iowa, mainly Mason City, Alexander and Belmond.
- How many ZIP codes start with 504?
- 57 active ZIP codes start with 504.