ZIP Code 18915

18915 is one of Pennsylvania's ZIP codes, delivering to addresses in Colmar, Montgomery County.

City: Colmar
County: Montgomery County
State: Pennsylvania
Prefix: 189xx

Where this code sits

18915 is part of the 189xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Colmar.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18915 delivers to without sharing its boundary.

ZIP codes nearest 18915

The ZIP codes whose reference points sit closest to 18915.
ZIP code	Distance	Delivers to
ZIP code 18932	1.1 mi	Line Lexington, PA
ZIP code 19440	2.2 mi	Hatfield, PA
ZIP code 18914	2.5 mi	Chalfont, PA
ZIP code 19446	3.2 mi	Lansdale, PA
ZIP code 18927	3.5 mi	Hilltown, PA
ZIP code 18936	3.6 mi	Montgomeryville, PA
ZIP code 19454	3.9 mi	North Wales, PA
ZIP code 19455	4.4 mi	North Wales, 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 18915, plotted from its record coordinates.

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

Scope ZIP code 18915. 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.