City · Michigan · United States
Black River, MI — ZIP codes
1 ZIP code · Alcona County
- City
- Black River
- County
- Alcona
- State
- Michigan
- Country
- United States
- Postal code
- 48721Single source
- Coordinates
- 44.8138, -83.3407 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 48721 | Black River | 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.