ZIP CodesZIP codes in Floyd County, Iowa
Floyd County, Iowa has 7 ZIP codes in this list, from 50435 to 50653. They cover 7 places, among them Floyd, Nora Springs, Rockford and Rudd.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 50435 | Floyd | 40.5 | 43.143, -92.724 |
| 50458 | Nora Springs | 70.7 | 43.148, -93.000 |
| 50468 | Rockford | 98.6 | 43.057, -92.952 |
| 50471 | Rudd | 42.9 | 43.142, -92.888 |
| 50616 | Charles City | 176 | 43.068, -92.676 |
| 50620 | Colwell | 0.1 | 43.158, -92.591 |
| 50653 | Marble Rock | 51.7 | 42.965, -92.892 |
The ZIP code areas of Floyd County add up to about 481 square miles of land (1,245 sq km) as the Census Bureau draws them. The largest is 50616 (Charles City), with 176 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Floyd, IA 50435.
- 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.