ZIP Code 17252

17252 is one of Pennsylvania's ZIP codes, delivering to addresses in Saint Thomas, Franklin County.

City: Saint Thomas
County: Franklin County
State: Pennsylvania
Prefix: 172xx

Where this code sits

17252 is part of the 172xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saint Thomas.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17252 delivers to without sharing its boundary.

ZIP codes nearest 17252

The ZIP codes whose reference points sit closest to 17252.
ZIP code	Distance	Delivers to
ZIP code 17231	5.7 mi	Lemasters, PA
ZIP code 17224	6.1 mi	Fort Loudon, PA
ZIP code 17235	6.7 mi	Marion, PA
ZIP code 17201	7.1 mi	Chambersburg, PA
ZIP code 17202	8.3 mi	Chambersburg, PA
ZIP code 17236	9.5 mi	Mercersburg, PA
ZIP code 17265	9.7 mi	Upperstrasburg, PA
ZIP code 17225	10 mi	Greencastle, 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 17252, plotted from its record coordinates.

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

Scope ZIP code 17252. 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.