ZIP CodesZIP codes in Winnebago County, Iowa
Winnebago County, Iowa has 7 ZIP codes in this list, from 50424 to 50478. They cover 7 places, among them Buffalo Center, Forest City, Lake Mills and Leland.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 50424 | Buffalo Center | 139 | 43.373, -93.938 |
| 50436 | Forest City | 135 | 43.269, -93.636 |
| 50450 | Lake Mills | 84.5 | 43.417, -93.534 |
| 50453 | Leland | 43.7 | 43.343, -93.689 |
| 50465 | Rake | 3.3 | 43.477, -93.917 |
| 50473 | Scarville | 34.7 | 43.467, -93.642 |
| 50478 | Thompson | 76.5 | 43.388, -93.752 |
The ZIP code areas of Winnebago County add up to about 517 square miles of land (1,340 sq km) as the Census Bureau draws them. The largest is 50424 (Buffalo Center), with 139 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Buffalo Center, IA 50424.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.