Fairfax city ZIP Codes

Fairfax city is an independent city of Virginia.

ZIP codes: 3
Cities & towns: 1
Area codes: 2
Land area: 6.2 sq mi

Every ZIP code in Fairfax city

220xx

The complete list of Fairfax city, VA ZIP codes with the city each one delivers to.
ZIP code	City
22030	Fairfax
22031	Fairfax
22038	Fairfax

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Fairfax city codes above are listed without a column we would have to invent.

Cities and towns in Fairfax city

Area codes covering Fairfax city

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the independent city without matching its edges.

Where Fairfax city's ZIP codes sit

Each point is the reference point of one Fairfax city ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope every ZIP code recorded in Fairfax city. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.