ZIP Code 18002

18002 is one of Pennsylvania's ZIP codes, delivering to addresses in Lehigh Valley, Northampton County.

City: Lehigh Valley
County: Northampton County
State: Pennsylvania
Prefix: 180xx

Where this code sits

18002 is part of the 180xx range, the group of codes handled by one mail processing centre. Lehigh Valley is served by 3 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18002 delivers to without sharing its boundary.

ZIP codes nearest 18002

The ZIP codes whose reference points sit closest to 18002.
ZIP code	Distance	Delivers to
ZIP code 18017	1.9 mi	Bethlehem, PA
ZIP code 18109	2.1 mi	Allentown, PA
ZIP code 18032	2.4 mi	Catasauqua, PA
ZIP code 18001	3.0 mi	Lehigh Valley, PA
ZIP code 18003	3.0 mi	Lehigh Valley, PA
ZIP code 18016	3.0 mi	Bethlehem, PA
ZIP code 18018	3.1 mi	Bethlehem, PA
ZIP code 18037	3.6 mi	Coplay, 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 18002, plotted from its record coordinates.

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

Scope ZIP code 18002. 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.