ZIP Code 16157

16157 is one of Pennsylvania's ZIP codes, delivering to addresses in Wampum, Lawrence County.

City: Wampum
County: Lawrence County
State: Pennsylvania
Prefix: 161xx

Where this code sits

16157 is part of the 161xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Wampum.

Wampum Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16157 delivers to without sharing its boundary.

ZIP codes nearest 16157

The ZIP codes whose reference points sit closest to 16157.
ZIP code	Distance	Delivers to
ZIP code 16136	3.3 mi	Koppel, PA
ZIP code 16141	3.3 mi	New Galilee, PA
ZIP code 16160	3.5 mi	West Pittsburg, PA
ZIP code 16117	4.4 mi	Ellwood City, PA
ZIP code 16120	6.4 mi	Enon Valley, PA
ZIP code 16102	6.5 mi	New Castle, PA
ZIP code 16103	7.6 mi	New Castle, PA
ZIP code 16107	7.6 mi	New Castle, 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 16157, plotted from its record coordinates.

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

Scope ZIP code 16157. 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.