ZIP Code 18056

18056 is one of Pennsylvania's ZIP codes, delivering to addresses in Hereford, Berks County.

City: Hereford
County: Berks County
State: Pennsylvania
Prefix: 180xx

Where this code sits

18056 is part of the 180xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hereford.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18056 delivers to without sharing its boundary.

ZIP codes nearest 18056

The ZIP codes whose reference points sit closest to 18056.
ZIP code	Distance	Delivers to
ZIP code 18070	1.5 mi	Palm, PA
ZIP code 18092	2.1 mi	Zionsville, PA
ZIP code 18068	3.0 mi	Old Zionsville, PA
ZIP code 19503	3.4 mi	Bally, PA
ZIP code 18041	3.4 mi	East Greenville, PA
ZIP code 19504	4.9 mi	Barto, PA
ZIP code 18073	5.2 mi	Pennsburg, PA
ZIP code 18011	5.3 mi	Alburtis, 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 18056, plotted from its record coordinates.

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

Scope ZIP code 18056. 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.