Find the last 4 digits (ZIP+4) for an address in 20191

ZIP 20191, Reston, VA is filled in. Just type the street address.

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ZIP Code 20191 – Reston, VA

Reston, Virginia · Fairfax County · Eastern time

ZIP code20191
CityReston
StateVirginia
CountyFairfax County
Population31,011
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.76 sq mi
Center (lat, long)38.9333, -77.3501

Area codes in this area

703571

These are the area codes that most often serve ZIP 20191 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

20190 Reston · 1.9 mi20171 Herndon · 2.5 mi22124 Oakton · 2.9 mi20172 Herndon · 3.2 mi22095 Herndon · 3.2 mi20194 Reston · 3.3 mi20170 Herndon · 3.6 mi22181 Vienna · 3.8 mi

About ZIP 20191

ZIP code 20191 is assigned to Reston, Virginia. It lies in Fairfax County. Its Census area covers about 7.76 square miles of land. The closest neighboring ZIP is 20190 (Reston), about 1.9 miles away.

Every address in 20191 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources