ZIP Code 16050

16050 is one of Pennsylvania's ZIP codes, delivering to addresses in Petrolia, Butler County.

City: Petrolia
County: Butler County
State: Pennsylvania
Prefix: 160xx

Where this code sits

16050 is part of the 160xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Petrolia.

Petrolia Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16050 delivers to without sharing its boundary.

ZIP codes nearest 16050

The ZIP codes whose reference points sit closest to 16050.
ZIP code	Distance	Delivers to
ZIP code 16048	2.0 mi	North Washington, PA
ZIP code 16022	2.4 mi	Bruin, PA
ZIP code 16041	4.1 mi	Karns City, PA
ZIP code 16040	4.7 mi	Hilliards, PA
ZIP code 16049	5.8 mi	Parker, PA
ZIP code 16061	6.1 mi	West Sunbury, PA
ZIP code 16030	6.4 mi	Eau Claire, PA
ZIP code 16025	6.9 mi	Chicora, 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 16050, plotted from its record coordinates.

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

Scope ZIP code 16050. 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.