ZIP Code 07856

07856 is one of New Jersey's ZIP codes, delivering to addresses in Mount Arlington, Morris County.

City: Mount Arlington
County: Morris County
State: New Jersey
Prefix: 078xx

Where this code sits

07856 is part of the 078xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Arlington.

Mount Arlington New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07856 delivers to without sharing its boundary.

ZIP codes nearest 07856

The ZIP codes whose reference points sit closest to 07856.
ZIP code	Distance	Delivers to
ZIP code 07843	1.5 mi	Hopatcong, NJ
ZIP code 07850	1.7 mi	Landing, NJ
ZIP code 07849	2.0 mi	Lake Hopatcong, NJ
ZIP code 07885	2.8 mi	Wharton, NJ
ZIP code 07847	3.3 mi	Kenvil, NJ
ZIP code 07874	3.4 mi	Stanhope, NJ
ZIP code 07852	3.6 mi	Ledgewood, NJ
ZIP code 07857	3.8 mi	Netcong, 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 07856, plotted from its record coordinates.

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

Scope ZIP code 07856. 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.