ZIP Code 20850
Rockville, Maryland · Montgomery County
No8815
Zip20850
TypeSTANDARD
Decommissioned0
Primary CityRockville
Acceptable CitiesPotomac
Unacceptable Cities—
StateMD
LstateMaryland
CountyMontgomery County
TimezoneAmerica/New_York
Area Codes227, 240, 301
World RegionNA
CountryUS
Latitude39,08
Longitude-77,15