zip code 48721 is a zipcode of Black River, Michigan state, usa. zip code of Black River and its population information along with its latitude and longitude coordinates.
ZIP Code 48721
- Zip Code
- 48721
- City
- Black River
- County
- Alcona
- State
- Michigan
- Latitude
- 44.815600
- Longitude
- -83.344700
- Population
- 411