ZIP Code 21769
Middletown, Maryland · Frederick County
No9181
Zip21769
TypeSTANDARD
Decommissioned0
Primary CityMiddletown
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountyFrederick County
TimezoneAmerica/New_York
Area Codes227, 240, 301
World RegionNA
CountryUS
Latitude39,44
Longitude-77,54