ZIP Code 22172

22172 is one of Virginia's ZIP codes, delivering to addresses in Triangle, Prince William County.

City: Triangle
County: Prince William County
State: Virginia
Prefix: 221xx

Where this code sits

22172 is part of the 221xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Triangle.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 22172 delivers to without sharing its boundary.

ZIP codes nearest 22172

The ZIP codes whose reference points sit closest to 22172.
ZIP code	Distance	Delivers to
ZIP code 22134	1.5 mi	Quantico, VA
ZIP code 22026	2.0 mi	Dumfries, VA
ZIP code 22135	2.5 mi	Quantico, VA
ZIP code 22025	3.5 mi	Dumfries, VA
ZIP code 22193	6.5 mi	Woodbridge, VA
ZIP code 22191	6.6 mi	Woodbridge, VA
ZIP code 22194	8.4 mi	Woodbridge, VA
ZIP code 22195	8.4 mi	Woodbridge, 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 22172, plotted from its record coordinates.

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

Scope ZIP code 22172. 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.