Find the last 4 digits (ZIP+4) for an address in 22066

ZIP 22066, Great Falls, VA is filled in. Just type the street address.

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ZIP Code 22066 – Great Falls, VA

Great Falls, Virginia · Fairfax County · Eastern time

ZIP code22066
CityGreat Falls
StateVirginia
CountyFairfax CountyLoudoun County
Population17,185
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area25.58 sq mi
Center (lat, long)39.0124, -77.3019

Area codes in this area

703571

These are the area codes that most often serve ZIP 22066 (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

20194 Reston · 3 mi20190 Reston · 4.2 mi20854 Potomac · 4.6 mi20170 Herndon · 4.7 mi22067 Greenway · 5 mi20164 Sterling · 5.1 mi22182 Vienna · 5.3 mi20172 Herndon · 5.4 mi

About ZIP 22066

ZIP code 22066 is assigned to Great Falls, Virginia. It crosses 2 counties; most of its land is in Fairfax County. Its Census area covers about 25.58 square miles of land. The closest neighboring ZIP is 20194 (Reston), about 3 miles away.

Every address in 22066 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