ZIP Code 08865

08865 is one of New Jersey's ZIP codes, delivering to addresses in Phillipsburg, Warren County.

City: Phillipsburg
County: Warren County
State: New Jersey
Prefix: 088xx

Where this code sits

08865 is part of the 088xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Phillipsburg.

Phillipsburg New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 08865 delivers to without sharing its boundary.

908 Area code 908

ZIP codes nearest 08865

The ZIP codes whose reference points sit closest to 08865.
ZIP code	Distance	Delivers to
ZIP code 08886	2.3 mi	Stewartsville, NJ
ZIP code 18043	3.9 mi	Easton, PA
ZIP code 18044	3.9 mi	Easton, PA
ZIP code 18040	4.5 mi	Easton, PA
ZIP code 08804	5.3 mi	Bloomsbury, NJ
ZIP code 18063	5.3 mi	Martins Creek, PA
ZIP code 08808	5.5 mi	Broadway, NJ
ZIP code 18042	5.5 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 08865, plotted from its record coordinates.

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

Scope ZIP code 08865. 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.