ZIP Code 17261

17261 is one of Pennsylvania's ZIP codes, delivering to addresses in South Mountain, Franklin County.

City: South Mountain
County: Franklin County
State: Pennsylvania
Prefix: 172xx

Where this code sits

17261 is part of the 172xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Mountain.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17261 delivers to without sharing its boundary.

ZIP codes nearest 17261

The ZIP codes whose reference points sit closest to 17261.
ZIP code	Distance	Delivers to
ZIP code 17237	3.5 mi	Mont Alto, PA
ZIP code 17222	4.7 mi	Fayetteville, PA
ZIP code 17247	5.9 mi	Quincy, PA
ZIP code 17353	6.2 mi	Orrtanna, PA
ZIP code 17268	7.1 mi	Waynesboro, PA
ZIP code 17214	7.4 mi	Blue Ridge Summit, PA
ZIP code 17310	7.6 mi	Cashtown, PA
ZIP code 17250	7.9 mi	Rouzerville, 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 17261, plotted from its record coordinates.

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

Scope ZIP code 17261. 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.