ZIP Code 15861

15861 is one of Pennsylvania's ZIP codes, delivering to addresses in Sinnamahoning, Cameron County.

City: Sinnamahoning
County: Cameron County
State: Pennsylvania
Prefix: 158xx

Where this code sits

15861 is part of the 158xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sinnamahoning.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15861 delivers to without sharing its boundary.

ZIP codes nearest 15861

The ZIP codes whose reference points sit closest to 15861.
ZIP code	Distance	Delivers to
ZIP code 15832	5.0 mi	Driftwood, PA
ZIP code 17778	9.9 mi	Westport, PA
ZIP code 16871	13 mi	Pottersdale, PA
ZIP code 15834	14 mi	Emporium, PA
ZIP code 17729	15 mi	Cross Fork, PA
ZIP code 15821	16 mi	Benezett, PA
ZIP code 17764	17 mi	Renovo, PA
ZIP code 16720	18 mi	Austin, 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 15861, plotted from its record coordinates.

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

Scope ZIP code 15861. 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.