ZIP Code 08511

08511 is one of New Jersey's ZIP codes, delivering to addresses in Cookstown, Burlington County.

City: Cookstown
County: Burlington County
State: New Jersey
Prefix: 085xx

Where this code sits

08511 is part of the 085xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cookstown.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 08511 delivers to without sharing its boundary.

ZIP codes nearest 08511

The ZIP codes whose reference points sit closest to 08511.
ZIP code	Distance	Delivers to
ZIP code 08562	1.8 mi	Wrightstown, NJ
ZIP code 08533	3.2 mi	New Egypt, NJ
ZIP code 08042	6.1 mi	Juliustown, NJ
ZIP code 08015	6.1 mi	Browns Mills, NJ
ZIP code 08515	6.3 mi	Chesterfield, NJ
ZIP code 08041	6.8 mi	Jobstown, NJ
ZIP code 08022	7.0 mi	Columbus, NJ
ZIP code 08064	7.2 mi	New Lisbon, 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 08511, plotted from its record coordinates.

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

Scope ZIP code 08511. 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.