ZIP Code 15685

15685 is one of Pennsylvania's ZIP codes, delivering to addresses in Southwest, Westmoreland County.

City: Southwest
County: Westmoreland County
State: Pennsylvania
Prefix: 156xx

Where this code sits

15685 is part of the 156xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Southwest.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15685 delivers to without sharing its boundary.

ZIP codes nearest 15685

The ZIP codes whose reference points sit closest to 15685.
ZIP code	Distance	Delivers to
ZIP code 15605	0.0 mi	Greensburg, PA
ZIP code 15624	1.6 mi	Crabtree, PA
ZIP code 15662	2.7 mi	Luxor, PA
ZIP code 15670	2.8 mi	New Alexandria, PA
ZIP code 15635	3.1 mi	Hannastown, PA
ZIP code 15633	4.3 mi	Forbes Road, PA
ZIP code 15619	4.4 mi	Bovard, PA
ZIP code 15650	4.9 mi	Latrobe, PA

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 15685, plotted from its record coordinates.

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

Scope ZIP code 15685. 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.