ZIP Code 20155

20155 is one of Virginia's ZIP codes, delivering to addresses in Gainesville, Prince William County.

City: Gainesville
County: Prince William County
State: Virginia
Prefix: 201xx

Where this code sits

20155 is part of the 201xx range, the group of codes handled by one mail processing centre. Gainesville is served by 2 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 20155 delivers to without sharing its boundary.

ZIP codes nearest 20155

The ZIP codes whose reference points sit closest to 20155.
ZIP code	Distance	Delivers to
ZIP code 20168	0.8 mi	Haymarket, VA
ZIP code 20143	3.8 mi	Catharpin, VA
ZIP code 20169	3.8 mi	Haymarket, VA
ZIP code 20137	5.0 mi	Broad Run, VA
ZIP code 20109	5.4 mi	Manassas, VA
ZIP code 20136	6.9 mi	Bristow, VA
ZIP code 20182	8.2 mi	Nokesville, VA
ZIP code 20152	8.3 mi	Chantilly, 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 20155, plotted from its record coordinates.

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

Scope ZIP code 20155. 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.