| Post Office | Charles City |
| Division | Floyd |
| Zipcode | 50616 |
| Post Office | Nora Springs |
| Division | Floyd |
| Zipcode | 50458 |
| Post Office | Rockford |
| Division | Floyd |
| Zipcode | 50468 |
| Post Office | Marble Rock |
| Division | Floyd |
| Zipcode | 50653 |
| Post Office | Rudd |
| Division | Floyd |
| Zipcode | 50471 |
| Post Office | Floyd |
| Division | Floyd |
| Zipcode | 50435 |
| Post Office | Colwell |
| Division | Floyd |
| Zipcode | 50620 |
7 City in Floyd | List of Zip Codes Location In Iowa and Your selected County Floyd