ZIP Code 17864

17864 is one of Pennsylvania's ZIP codes, delivering to addresses in Port Trevorton, Snyder County.

City: Port Trevorton
County: Snyder County
State: Pennsylvania
Prefix: 178xx

Where this code sits

17864 is part of the 178xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Port Trevorton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17864 delivers to without sharing its boundary.

ZIP codes nearest 17864

The ZIP codes whose reference points sit closest to 17864.
ZIP code	Distance	Delivers to
ZIP code 17017	3.8 mi	Dalmatia, PA
ZIP code 17827	4.8 mi	Freeburg, PA
ZIP code 17830	5.7 mi	Herndon, PA
ZIP code 17853	5.8 mi	Mount Pleasant Mills, PA
ZIP code 17080	6.9 mi	Pillow, PA
ZIP code 17833	7.7 mi	Kreamer, PA
ZIP code 17005	8.5 mi	Berrysburg, PA
ZIP code 17823	8.6 mi	Dornsife, 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 17864, plotted from its record coordinates.

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

Scope ZIP code 17864. 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.