ZIP Code 15688

15688 is one of Pennsylvania's ZIP codes, delivering to addresses in Tarrs, Westmoreland County.

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

Where this code sits

15688 is part of the 156xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Tarrs.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15688 delivers to without sharing its boundary.

ZIP codes nearest 15688

The ZIP codes whose reference points sit closest to 15688.
ZIP code	Distance	Delivers to
ZIP code 15612	2.3 mi	Alverton, PA
ZIP code 15679	2.4 mi	Ruffs Dale, PA
ZIP code 15639	3.2 mi	Hunker, PA
ZIP code 15672	3.7 mi	New Stanton, PA
ZIP code 15666	3.8 mi	Mount Pleasant, PA
ZIP code 15616	4.2 mi	Armbrust, PA
ZIP code 15683	4.6 mi	Scottdale, PA
ZIP code 15697	4.9 mi	Youngwood, 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 15688, plotted from its record coordinates.

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

Scope ZIP code 15688. 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.