ZIP Code 48721 – Black River, MI
Black River, Michigan · Alcona County · Eastern time
| ZIP code | 48721 |
|---|---|
| City | Black River |
| State | Michigan |
| County | Alcona County |
| Population | 406 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 27.99 sq mi |
| Center (lat, long) | 44.7968, -83.3292 |
Area codes in this area
These are the area codes that most often serve ZIP 48721 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 48721
ZIP code 48721 is assigned to Black River, Michigan. It lies in Alcona County. Its Census area covers about 27.99 square miles of land. The closest neighboring ZIP is 48742 (Lincoln), about 7.7 miles away.
Every address in 48721 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources