ZIP Code 20635
Helen, Maryland · St Mary's County
No8675
Zip20635
TypePO BOX
Decommissioned0
Primary CityHelen
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountySt Mary's County
TimezoneAmerica/New_York
Area Codes240
World RegionNA
CountryUS
Latitude38,41
Longitude-76,73