ZIP Code 15656

15656 is one of Pennsylvania's ZIP codes, delivering to addresses in Leechburg, Armstrong County.

City: Leechburg
County: Armstrong County
State: Pennsylvania
Prefix: 156xx

Where this code sits

15656 is part of the 156xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Leechburg.

Leechburg Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15656 delivers to without sharing its boundary.

ZIP codes nearest 15656

The ZIP codes whose reference points sit closest to 15656.
ZIP code	Distance	Delivers to
ZIP code 15641	1.6 mi	Hyde Park, PA
ZIP code 15629	3.9 mi	East Vandergrift, PA
ZIP code 15682	4.1 mi	Schenley, PA
ZIP code 15690	4.2 mi	Vandergrift, PA
ZIP code 15673	4.3 mi	North Apollo, PA
ZIP code 16229	5.3 mi	Freeport, PA
ZIP code 15065	5.6 mi	Natrona Heights, PA
ZIP code 15613	5.8 mi	Apollo, 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 15656, plotted from its record coordinates.

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

Scope ZIP code 15656. 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.