ZIP Code 48889
Sumner, Michigan · Gratiot County
No21579
Zip48889
TypeSTANDARD
Decommissioned0
Primary CitySumner
Acceptable Cities—
Unacceptable Cities—
StateMI
LstateMichigan
CountyGratiot County
TimezoneAmerica/Detroit
Area Codes989
World RegionNA
CountryUS
Latitude43,3
Longitude-84,81