ZIP Code 18063

18063 is one of Pennsylvania's ZIP codes, delivering to addresses in Martins Creek, Northampton County.

City: Martins Creek
County: Northampton County
State: Pennsylvania
Prefix: 180xx

Where this code sits

18063 is part of the 180xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Martins Creek.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18063 delivers to without sharing its boundary.

ZIP codes nearest 18063

The ZIP codes whose reference points sit closest to 18063.
ZIP code	Distance	Delivers to
ZIP code 18040	3.6 mi	Easton, PA
ZIP code 18013	4.9 mi	Bangor, PA
ZIP code 18083	5.0 mi	Stockertown, PA
ZIP code 18085	5.2 mi	Tatamy, PA
ZIP code 08865	5.3 mi	Phillipsburg, NJ
ZIP code 08886	7.0 mi	Stewartsville, NJ
ZIP code 18043	7.0 mi	Easton, PA
ZIP code 18044	7.0 mi	Easton, 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 18063, plotted from its record coordinates.

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

Scope ZIP code 18063. 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.