City · Iowa · United States
Janesville, IA — ZIP codes
1 ZIP code · Bremer County
- City
- Janesville
- County
- Bremer
- State
- Iowa
- Country
- United States
- Postal code
- 50647Single source
- Coordinates
- 42.6465, -92.4791 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 50647 | Janesville | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Last generated : 2026-08-21. Report an error.