Fairfax Virginia ZIP Codes

Fairfax holds 9 ZIP codes, spread across 2 counties and independent cities.

Every ZIP code in Fairfax

The complete list of Fairfax, Virginia ZIP codes with the county or independent city each falls in.
ZIP code	County or independent city
22030	Fairfax city
22031	Fairfax city
22032	Fairfax County
22033	Fairfax County
22034	Fairfax County
22035	Fairfax County
22036	Fairfax County
22037	Fairfax County
22038	Fairfax city

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Fairfax. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Fairfax ZIP code begins 220. Those first three digits identify the sectional center facility that processes mail for this part of Virginia. Statewide that range covers 30 ZIP codes, so Fairfax accounts for 30% of it.

Every Virginia ZIP prefix and the region it covers →

Area codes covering Fairfax

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Fairfax occupies.

Fairfax Virginia area codes in full →

Where Fairfax's ZIP codes sit

Each point is one Fairfax 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

Cities near Fairfax

The closest places to Fairfax with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Wakefield Virginia ZIP codes	3.6 mi	1 ZIP code
Vienna Virginia ZIP codes	3.8 mi	5 ZIP codes
Burke Virginia ZIP codes	5.6 mi	2 ZIP codes
Clifton Virginia ZIP codes	6.9 mi	1 ZIP code
Falls Church Virginia ZIP codes	7.0 mi	6 ZIP codes
Herndon Virginia ZIP codes	9.4 mi	5 ZIP codes
Arlington Virginia ZIP codes	11 mi	27 ZIP codes
Great Falls Virginia ZIP codes	11 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.