ZIP Code 21045
Columbia, Maryland · Howard County
No8897
Zip21045
TypeSTANDARD
Decommissioned0
Primary CityColumbia
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountyHoward County
TimezoneAmerica/New_York
Area Codes410, 443, 667
World RegionNA
CountryUS
Latitude39,2
Longitude-76,85