| Postal Service | Forest City |
| Division | Winnebago |
| Post code | 50436 |
| Postal Service | Lake Mills |
| Division | Winnebago |
| Post code | 50450 |
| Postal Service | Buffalo Center |
| Division | Winnebago |
| Post code | 50424 |
| Postal Service | Thompson |
| Division | Winnebago |
| Post code | 50478 |
| Postal Service | Leland |
| Division | Winnebago |
| Post code | 50453 |
| Postal Service | Scarville |
| Division | Winnebago |
| Post code | 50473 |
| Postal Service | Rake |
| Division | Winnebago |
| Post code | 50465 |
7 City in Winnebago | List of Zip Codes Location In Iowa and Your selected County Winnebago