ZIP Code 07831

07831 is one of New Jersey's ZIP codes, delivering to addresses in Changewater, Warren County.

City: Changewater
County: Warren County
State: New Jersey
Prefix: 078xx

Where this code sits

07831 is part of the 078xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Changewater.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07831 delivers to without sharing its boundary.

908 Area code 908

ZIP codes nearest 07831

The ZIP codes whose reference points sit closest to 07831.
ZIP code	Distance	Delivers to
ZIP code 08826	2.3 mi	Glen Gardner, NJ
ZIP code 07882	2.8 mi	Washington, NJ
ZIP code 07865	3.8 mi	Port Murray, NJ
ZIP code 08827	4.4 mi	Hampton, NJ
ZIP code 08802	5.3 mi	Asbury, NJ
ZIP code 08829	5.6 mi	High Bridge, NJ
ZIP code 08808	5.6 mi	Broadway, NJ
ZIP code 07863	5.7 mi	Oxford, NJ

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 07831, plotted from its record coordinates.

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

Scope ZIP code 07831. 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.