City · Wisconsin · United States
Mercer, WI — ZIP codes
1 ZIP code · Iron County
- City
- Mercer
- County
- Iron
- State
- Wisconsin
- Country
- United States
- Postal code
- 54547Single source
- Coordinates
- 46.1696, -90.0679 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 54547 | Mercer | 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.