ZIP Code 48721
Black River, Michigan · Alcona County
No21450
Zip48721
TypeSTANDARD
Decommissioned0
Primary CityBlack River
Acceptable Cities—
Unacceptable Cities—
StateMI
LstateMichigan
CountyAlcona County
TimezoneAmerica/Detroit
Area Codes989
World RegionNA
CountryUS
Latitude44,81
Longitude-83,31