ZIP Code 20689
Sunderland, Maryland · Calvert County
No8707
Zip20689
TypeSTANDARD
Decommissioned0
Primary CitySunderland
Acceptable Cities—
Unacceptable Cities—
StateMD
LstateMaryland
CountyCalvert County
TimezoneAmerica/New_York
Area Codes410, 443, 667
World RegionNA
CountryUS
Latitude38,66
Longitude-76,58