ZIP Code 19366

19366 is one of Pennsylvania's ZIP codes, delivering to addresses in Pocopson, Chester County.

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

Where this code sits

19366 is part of the 193xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Pocopson.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19366 delivers to without sharing its boundary.

ZIP codes nearest 19366

The ZIP codes whose reference points sit closest to 19366.
ZIP code	Distance	Delivers to
ZIP code 19317	3.2 mi	Chadds Ford, PA
ZIP code 19357	3.3 mi	Mendenhall, PA
ZIP code 19382	3.6 mi	West Chester, PA
ZIP code 19381	4.3 mi	West Chester, PA
ZIP code 19383	4.3 mi	West Chester, PA
ZIP code 19395	4.8 mi	Westtown, PA
ZIP code 19373	5.0 mi	Thornton, PA
ZIP code 19348	5.0 mi	Kennett Square, 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 19366, plotted from its record coordinates.

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

Scope ZIP code 19366. 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.