ZIP Code 19333

19333 is one of Pennsylvania's ZIP codes, delivering to addresses in Devon, Chester County.

City: Devon
County: Chester County
State: Pennsylvania
Prefix: 193xx

Where this code sits

19333 is part of the 193xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Devon.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19333 delivers to without sharing its boundary.

ZIP codes nearest 19333

The ZIP codes whose reference points sit closest to 19333.
ZIP code	Distance	Delivers to
ZIP code 19312	1.3 mi	Berwyn, PA
ZIP code 19087	1.6 mi	Wayne, PA
ZIP code 19080	1.9 mi	Wayne, PA
ZIP code 19089	1.9 mi	Wayne, PA
ZIP code 19482	3.0 mi	Valley Forge, PA
ZIP code 19301	3.2 mi	Paoli, PA
ZIP code 19481	3.6 mi	Valley Forge, PA
ZIP code 19085	4.1 mi	Villanova, 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 19333, plotted from its record coordinates.

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

Scope ZIP code 19333. 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.