ZIP Code 21701
Frederick, Maryland · Frederick County
No9139
Zip21701
TypeSTANDARD
Decommissioned0
Primary CityFrederick
Acceptable CitiesLewistown
Unacceptable CitiesHood College
StateMD
LstateMaryland
CountyFrederick County
TimezoneAmerica/New_York
Area Codes227, 240, 301
World RegionNA
CountryUS
Latitude39,42
Longitude-77,41