ZIP Code 15954

15954 is one of Pennsylvania's ZIP codes, delivering to addresses in Seward, Westmoreland County.

City: Seward
County: Westmoreland County
State: Pennsylvania
Prefix: 159xx

Where this code sits

15954 is part of the 159xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Seward.

Seward Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15954 delivers to without sharing its boundary.

ZIP codes nearest 15954

The ZIP codes whose reference points sit closest to 15954.
ZIP code	Distance	Delivers to
ZIP code 15920	3.6 mi	Armagh, PA
ZIP code 15929	4.1 mi	Dilltown, PA
ZIP code 15944	4.3 mi	New Florence, PA
ZIP code 15906	6.0 mi	Johnstown, PA
ZIP code 15949	6.1 mi	Robinson, PA
ZIP code 15961	7.2 mi	Vintondale, PA
ZIP code 15923	7.8 mi	Bolivar, PA
ZIP code 15915	7.8 mi	Johnstown, 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 15954, plotted from its record coordinates.

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

Scope ZIP code 15954. 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.