ZIP Code 22066

22066 is one of Virginia's ZIP codes, delivering to addresses in Great Falls, Fairfax County.

City: Great Falls
County: Fairfax County
State: Virginia
Prefix: 220xx

Where this code sits

22066 is part of the 220xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Great Falls.

Great Falls Virginia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 22066 delivers to without sharing its boundary.

ZIP codes nearest 22066

The ZIP codes whose reference points sit closest to 22066.
ZIP code	Distance	Delivers to
ZIP code 20194	2.4 mi	Reston, VA
ZIP code 20190	3.4 mi	Reston, VA
ZIP code 20170	3.5 mi	Herndon, VA
ZIP code 20172	4.8 mi	Herndon, VA
ZIP code 22095	4.8 mi	Herndon, VA
ZIP code 22067	4.9 mi	Greenway, VA
ZIP code 20164	5.1 mi	Sterling, VA
ZIP code 20165	5.2 mi	Sterling, VA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 22066, plotted from its record coordinates.

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

Scope ZIP code 22066. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.