ZIP Code 20191
Reston, Virginia · Fairfax County
No8431
Zip20191
TypeSTANDARD
Decommissioned0
Primary CityReston
Acceptable CitiesHerndon
Unacceptable Cities—
StateVA
LstateVirginia
CountyFairfax County
TimezoneAmerica/New_York
Area Codes571, 703
World RegionNA
CountryUS
Latitude38,93
Longitude-77,35