ZIP Code 21702
Frederick, Maryland · Frederick County
No9140
Zip21702
TypeSTANDARD
Decommissioned0
Primary CityFrederick
Acceptable CitiesFort Detrick
Unacceptable CitiesCollege Estates
StateMD
LstateMaryland
CountyFrederick County
TimezoneAmerica/New_York
Area Codes227, 240, 301
World RegionNA
CountryUS
Latitude39,48
Longitude-77,46