Find the last 4 digits (ZIP+4) for an address in 22031

ZIP 22031, Fairfax, VA is filled in. Just type the street address.

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ZIP Code 22031 – Fairfax, VA

Fairfax, Virginia · Fairfax County · Eastern time

ZIP code22031
CityFairfax
StateVirginia
CountyFairfax CountyFairfax city
Population37,276
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.13 sq mi
Center (lat, long)38.8589, -77.2603

Area codes in this area

703571

These are the area codes that most often serve ZIP 22031 (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

22116 Merrifield · 1.6 mi22081 Merrifield · 1.7 mi22082 Merrifield · 2.1 mi22038 Fairfax · 2.3 mi20122 Centreville · 2.4 mi20153 Chantilly · 2.4 mi20192 Herndon · 2.4 mi20195 Reston · 2.4 mi

About ZIP 22031

ZIP code 22031 is assigned to Fairfax, Virginia. It crosses 2 counties; most of its land is in Fairfax County. Its Census area covers about 7.13 square miles of land. The closest neighboring ZIP is 22116 (Merrifield), about 1.6 miles away.

Every address in 22031 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