ZIP Code 20220
Washington, District of Columbia · District of Columbia
No8457
Zip20220
TypeUNIQUE
Decommissioned0
Primary CityWashington
Acceptable Cities—
Unacceptable CitiesDept Treasury
StateDC
LstateDistrict of Columbia
CountyDistrict of Columbia
TimezoneAmerica/New_York
Area Codes202, 771
World RegionNA
CountryUS
Latitude38,9
Longitude-77,03