ZIP Code 20837
Poolesville, Maryland · Montgomery County
No8807
Zip20837
TypeSTANDARD
Decommissioned0
Primary CityPoolesville
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountyMontgomery County
TimezoneAmerica/New_York
Area Codes227, 240, 301, 571, 703
World RegionNA
CountryUS
Latitude39,14
Longitude-77,41