ZIP Code 17237

17237 is one of Pennsylvania's ZIP codes, delivering to addresses in Mont Alto, Franklin County.

City: Mont Alto
County: Franklin County
State: Pennsylvania
Prefix: 172xx

Where this code sits

17237 is part of the 172xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mont Alto.

Mont Alto Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17237 delivers to without sharing its boundary.

ZIP codes nearest 17237

The ZIP codes whose reference points sit closest to 17237.
ZIP code	Distance	Delivers to
ZIP code 17247	3.3 mi	Quincy, PA
ZIP code 17261	3.5 mi	South Mountain, PA
ZIP code 17222	4.6 mi	Fayetteville, PA
ZIP code 17268	5.5 mi	Waynesboro, PA
ZIP code 17272	6.2 mi	Zullinger, PA
ZIP code 17202	6.3 mi	Chambersburg, PA
ZIP code 17250	7.4 mi	Rouzerville, PA
ZIP code 17256	7.6 mi	Shady Grove, 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 17237, plotted from its record coordinates.

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

Scope ZIP code 17237. 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.