Janesville, IA
ZIP Codes in Janesville, Iowa
December 14, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 50647 | 2,032 | 42.6509, -92.4970 |
Janesville has 1 ZIP code
ZIP Codes in Janesville, Iowa
December 14, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 50647 | 2,032 | 42.6509, -92.4970 |