ZIP Code 21914
Charlestown, Maryland · Cecil County
No9256
Zip21914
TypePO BOX
Decommissioned0
Primary CityCharlestown
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountyCecil County
TimezoneAmerica/New_York
Area Codes410, 443, 667
World RegionNA
CountryUS
Latitude39,58
Longitude-75,98