ZIP Code 19033

19033 is one of Pennsylvania's ZIP codes, delivering to addresses in Folsom, Delaware County.

City: Folsom
County: Delaware County
State: Pennsylvania
Prefix: 190xx

Where this code sits

19033 is part of the 190xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Folsom.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19033 delivers to without sharing its boundary.

ZIP codes nearest 19033

The ZIP codes whose reference points sit closest to 19033.
ZIP code	Distance	Delivers to
ZIP code 19078	0.9 mi	Ridley Park, PA
ZIP code 19081	1.0 mi	Swarthmore, PA
ZIP code 19098	1.1 mi	Holmes, PA
ZIP code 19070	1.2 mi	Morton, PA
ZIP code 19076	1.2 mi	Prospect Park, PA
ZIP code 19043	1.3 mi	Holmes, PA
ZIP code 19094	1.3 mi	Woodlyn, PA
ZIP code 19022	1.5 mi	Crum Lynne, 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 19033, plotted from its record coordinates.

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

Scope ZIP code 19033. 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.