Fairfax County, VA Zip Codes
45 zip codes across 20 cities in Fairfax County, VA
About Fairfax County
Fairfax County, Virginia (VA) contains 45 unique zip codes spanning 20 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Fairfax County.
Cities in Fairfax County
Advertisement
All Zip Codes in Fairfax County, VA
Advertisement
Explore More
Frequently Asked Questions
How many zip codes are in Fairfax County, VA?
Fairfax County, VA has 45 zip codes across 20 cities.
What cities are in Fairfax County?
Cities in Fairfax County include Alexandria, Annandale, Burke, Centreville, Chantilly, Dunn Loring, Fairfax, Falls Church, Fort Belvoir, Great Falls, Herndon, Lorton, Mc Lean, Oakton, Reston, Springfield, Vienna, Zcta 201hh, Zcta 220hh, Zcta 223hh.
What state is Fairfax County in?
Fairfax County is located in Virginia (VA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.