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Fairfax, VA ZIP codes

Fairfax, Virginia has 9 ZIP codes, including 4 PO Box ZIPs. They are in Fairfax County and Fairfax city.

Population in these ZIPs
167,374
Avg. median income
$146,300population-weighted
Typical home value
$772,700population-weighted
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Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Fairfax, VA ZIP codes list

Fairfax, VA ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
22030Fairfax County61,332$139,831$802,300
22031Fairfax County37,276$134,577$753,800
22032Fairfax County29,240$178,394$839,300
22033Fairfax County39,526$143,454$695,400
22034 PO BoxFairfax County———
22035Fairfax County0——
22036 PO BoxFairfax County———
22037 PO BoxFairfax County———
22038 PO BoxFairfax city———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Fairfax

Frequently asked questions

What is the ZIP code for Fairfax, VA?

Fairfax, VA has 9 ZIP codes: 22030, 22031, 22032, 22033, 22034, 22035, 22036, 22037 and 22038.

What county is Fairfax, Virginia in?

Fairfax ZIP codes are in Fairfax County and Fairfax city.

Which Fairfax ZIP codes are PO Boxes?

22034, 22036, 22037 and 22038 are PO Box or single-organization ZIP codes; they have no residential delivery area.