ZIP Code 20540
Washington, District of Columbia · District of Columbia
No8604
Zip20540
TypeUNIQUE
Decommissioned0
Primary CityWashington
Acceptable Cities—
Unacceptable CitiesLibrary Of Congress
StateDC
LstateDistrict of Columbia
CountyDistrict of Columbia
TimezoneAmerica/New_York
Area Codes202, 771
World RegionNA
CountryUS
Latitude38,89
Longitude-77