ZIP Code 07855

07855 is one of New Jersey's ZIP codes, delivering to addresses in Middleville, Sussex County.

City: Middleville
County: Sussex County
State: New Jersey
Prefix: 078xx

Where this code sits

07855 is part of the 078xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Middleville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07855 delivers to without sharing its boundary.

ZIP codes nearest 07855

The ZIP codes whose reference points sit closest to 07855.
ZIP code	Distance	Delivers to
ZIP code 07875	1.0 mi	Stillwater, NJ
ZIP code 07860	3.1 mi	Newton, NJ
ZIP code 07877	3.3 mi	Swartswood, NJ
ZIP code 07881	5.6 mi	Wallpack Center, NJ
ZIP code 07839	6.1 mi	Greendell, NJ
ZIP code 07846	6.4 mi	Johnsonburg, NJ
ZIP code 07879	7.9 mi	Tranquility, NJ
ZIP code 07825	8.1 mi	Blairstown, 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 07855, plotted from its record coordinates.

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

Scope ZIP code 07855. 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.