ZIP Code 18055

18055 is one of Pennsylvania's ZIP codes, delivering to addresses in Hellertown, Northampton County.

City: Hellertown
County: Northampton County
State: Pennsylvania
Prefix: 180xx

Where this code sits

18055 is part of the 180xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hellertown.

Hellertown Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18055 delivers to without sharing its boundary.

ZIP codes nearest 18055

The ZIP codes whose reference points sit closest to 18055.
ZIP code	Distance	Delivers to
ZIP code 18081	2.6 mi	Springtown, PA
ZIP code 18015	3.2 mi	Bethlehem, PA
ZIP code 18025	3.9 mi	Bethlehem, PA
ZIP code 18018	4.8 mi	Bethlehem, PA
ZIP code 18039	5.4 mi	Durham, PA
ZIP code 18077	5.6 mi	Riegelsville, PA
ZIP code 18034	5.9 mi	Center Valley, PA
ZIP code 18020	6.1 mi	Bethlehem, 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 18055, plotted from its record coordinates.

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

Scope ZIP code 18055. 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.