ZIP Code 19090

19090 is one of Pennsylvania's ZIP codes, delivering to addresses in Willow Grove, Montgomery County.

City: Willow Grove
County: Montgomery County
State: Pennsylvania
Prefix: 190xx

Where this code sits

19090 is part of the 190xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Willow Grove.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19090 delivers to without sharing its boundary.

ZIP codes nearest 19090

The ZIP codes whose reference points sit closest to 19090.
ZIP code	Distance	Delivers to
ZIP code 19040	1.8 mi	Hatboro, PA
ZIP code 19044	2.1 mi	Horsham, PA
ZIP code 19025	2.1 mi	Dresher, PA
ZIP code 19001	2.4 mi	Abington, PA
ZIP code 19038	3.6 mi	Glenside, PA
ZIP code 19009	3.7 mi	Bryn Athyn, PA
ZIP code 18974	4.0 mi	Warminster, PA
ZIP code 19006	4.0 mi	Huntingdon Valley, 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 19090, plotted from its record coordinates.

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

Scope ZIP code 19090. 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.