Janesville zipcode
| City | Janesville |
| ZIP Code | 50647 |
| Type | Standard |
| State Code | IA |
| State | Iowa |
ZIP code of Janesville is 50647. This place is located in Iowa state in US. To send any postal service to Janesville, you must use 50647 zipcode.
You should avoid following 1 city name of Iowa to be used with the ZIP code 50647.
- Finchford, IA