ZIP Code 21723
Cooksville, Maryland · Howard County
No9157
Zip21723
TypeSTANDARD
Decommissioned0
Primary CityCooksville
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountyHoward County
TimezoneAmerica/New_York
Area Codes410, 443, 667
World RegionNA
CountryUS
Latitude39,33
Longitude-77