ZIP Code 49918
Copper Harbor, Michigan · Keweenaw County
No22150
Zip49918
TypePO BOX
Decommissioned0
Primary CityCopper Harbor
Acceptable CitiesCalumet
Unacceptable Cities—
StateMI
LstateMichigan
CountyKeweenaw County
TimezoneAmerica/Detroit
Area Codes906
World RegionNA
CountryUS
Latitude47,46
Longitude-87,81