ZIP Code 18042

18042 is one of Pennsylvania's ZIP codes, delivering to addresses in Easton, Northampton County.

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

Where this code sits

18042 is part of the 180xx range, the group of codes handled by one mail processing centre. Easton is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Easton page.

Easton Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18042 delivers to without sharing its boundary.

ZIP codes nearest 18042

The ZIP codes whose reference points sit closest to 18042.
ZIP code	Distance	Delivers to
ZIP code 18043	2.5 mi	Easton, PA
ZIP code 18044	2.5 mi	Easton, PA
ZIP code 18045	4.5 mi	Easton, PA
ZIP code 18077	5.1 mi	Riegelsville, PA
ZIP code 18039	5.2 mi	Durham, PA
ZIP code 08865	5.5 mi	Phillipsburg, NJ
ZIP code 18020	5.9 mi	Bethlehem, PA
ZIP code 18085	6.4 mi	Tatamy, 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 18042, plotted from its record coordinates.

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

Scope ZIP code 18042. 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.