ZIP Code 15864

15864 is one of Pennsylvania's ZIP codes, delivering to addresses in Summerville, Jefferson County.

City: Summerville
County: Jefferson County
State: Pennsylvania
Prefix: 158xx

Where this code sits

15864 is part of the 158xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Summerville.

Summerville Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 15864 delivers to without sharing its boundary.

ZIP codes nearest 15864

The ZIP codes whose reference points sit closest to 15864.
ZIP code	Distance	Delivers to
ZIP code 15829	5.0 mi	Corsica, PA
ZIP code 15784	5.9 mi	Worthville, PA
ZIP code 15825	6.2 mi	Brookville, PA
ZIP code 15730	6.3 mi	Coolspring, PA
ZIP code 16224	7.0 mi	Fairmount City, PA
ZIP code 15776	7.1 mi	Sprankle Mills, PA
ZIP code 15770	7.3 mi	Ringgold, PA
ZIP code 15847	7.7 mi	Knox Dale, 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 15864, plotted from its record coordinates.

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

Scope ZIP code 15864. 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.