ZIP Code 48721
Black River · Alcona, Michigan
48721 is the ZIP code of Black River in Alcona, Michigan, United States.
- ZIP Code
- 48721
- County
- Alcona
- State
- Michigan
- Country
- United States
Place with ZIP code 48721
| Place | County | Location |
|---|---|---|
| Black River | Alcona | 44.814, -83.341 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 48721?
Black River.
Which county and state is 48721 in?
Alcona, Michigan, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.