ZIP Code 19478

19478 is one of Pennsylvania's ZIP codes, delivering to addresses in Spring Mount, Montgomery County.

City: Spring Mount
County: Montgomery County
State: Pennsylvania
Prefix: 194xx

Where this code sits

19478 is part of the 194xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Spring Mount.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19478 delivers to without sharing its boundary.

ZIP codes nearest 19478

The ZIP codes whose reference points sit closest to 19478.
ZIP code	Distance	Delivers to
ZIP code 18958	1.7 mi	Salfordville, PA
ZIP code 18957	2.0 mi	Salford, PA
ZIP code 19473	2.0 mi	Schwenksville, PA
ZIP code 19492	2.4 mi	Zieglerville, PA
ZIP code 18979	2.5 mi	Woxall, PA
ZIP code 18074	3.5 mi	Perkiomenville, PA
ZIP code 18084	3.6 mi	Sumneytown, PA
ZIP code 19438	3.9 mi	Harleysville, 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 19478, plotted from its record coordinates.

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

Scope ZIP code 19478. 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.