ZIP Code 16056

16056 is one of Pennsylvania's ZIP codes, delivering to addresses in Saxonburg, Butler County.

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

Where this code sits

16056 is part of the 160xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saxonburg.

Saxonburg Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16056 delivers to without sharing its boundary.

ZIP codes nearest 16056

The ZIP codes whose reference points sit closest to 16056.
ZIP code	Distance	Delivers to
ZIP code 16055	5.1 mi	Sarver, PA
ZIP code 16059	5.2 mi	Valencia, PA
ZIP code 16023	5.5 mi	Cabot, PA
ZIP code 15032	6.5 mi	Curtisville, PA
ZIP code 16039	6.6 mi	Herman, PA
ZIP code 16002	7.3 mi	Butler, PA
ZIP code 15006	7.6 mi	Bairdford, PA
ZIP code 15007	7.9 mi	Bakerstown, 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 16056, plotted from its record coordinates.

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

Scope ZIP code 16056. 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.