ZIP Code 20878
Gaithersburg, Maryland · Montgomery County
No8834
Zip20878
TypeSTANDARD
Decommissioned0
Primary CityGaithersburg
Acceptable CitiesDarnestown, N Potomac, No Potomac, North Potomac
Unacceptable Cities—
StateMD
LstateMaryland
CountyMontgomery County
TimezoneAmerica/New_York
Area Codes227, 240, 301
World RegionNA
CountryUS
Latitude39,12
Longitude-77,25