City · Wisconsin · United States
Onalaska, WI — ZIP codes
1 ZIP code · La Crosse County
- City
- Onalaska
- County
- La Crosse
- State
- Wisconsin
- Country
- United States
- Postal code
- 54650Single source
- Coordinates
- 43.8974, -91.2314 View on OpenStreetMap
- Area code
- 608 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 54650 | Onalaska | 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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.