ZIP Code 19373

19373 is one of Pennsylvania's ZIP codes, delivering to addresses in Thornton, Delaware County.

City: Thornton
County: Delaware County
State: Pennsylvania
Prefix: 193xx

Where this code sits

19373 is part of the 193xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Thornton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19373 delivers to without sharing its boundary.

ZIP codes nearest 19373

The ZIP codes whose reference points sit closest to 19373.
ZIP code	Distance	Delivers to
ZIP code 19319	1.3 mi	Cheyney, PA
ZIP code 19342	1.4 mi	Glen Mills, PA
ZIP code 19340	1.4 mi	Concordville, PA
ZIP code 19331	1.7 mi	Concordville, PA
ZIP code 19395	2.1 mi	Westtown, PA
ZIP code 19017	3.1 mi	Chester Heights, PA
ZIP code 19060	3.9 mi	Garnet Valley, PA
ZIP code 19317	4.1 mi	Chadds Ford, 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 19373, plotted from its record coordinates.

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

Scope ZIP code 19373. 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.