ZIP Code 15423

15423 is one of Pennsylvania's ZIP codes, delivering to addresses in Coal Center, Washington County.

City: Coal Center
County: Washington County
State: Pennsylvania
Prefix: 154xx

Where this code sits

15423 is part of the 154xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Coal Center.

Coal Center Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15423 delivers to without sharing its boundary.

ZIP codes nearest 15423

The ZIP codes whose reference points sit closest to 15423.
ZIP code	Distance	Delivers to
ZIP code 15434	1.3 mi	Elco, PA
ZIP code 15477	1.6 mi	Roscoe, PA
ZIP code 15466	1.6 mi	Newell, PA
ZIP code 15432	1.7 mi	Dunlevy, PA
ZIP code 15412	1.8 mi	Allenport, PA
ZIP code 15483	2.1 mi	Stockdale, PA
ZIP code 15419	2.5 mi	California, PA
ZIP code 15438	2.5 mi	Fayette City, 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 15423, plotted from its record coordinates.

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

Scope ZIP code 15423. 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.