ZIP Code 07878

07878 is one of New Jersey's ZIP codes, delivering to addresses in Mount Tabor, Morris County.

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

Where this code sits

07878 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 Tabor.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07878 delivers to without sharing its boundary.

ZIP codes nearest 07878

The ZIP codes whose reference points sit closest to 07878.
ZIP code	Distance	Delivers to
ZIP code 07834	1.3 mi	Denville, NJ
ZIP code 07950	1.9 mi	Morris Plains, NJ
ZIP code 07046	2.3 mi	Mountain Lakes, NJ
ZIP code 07054	3.5 mi	Parsippany, NJ
ZIP code 07927	3.5 mi	Cedar Knolls, NJ
ZIP code 07866	3.9 mi	Rockaway, NJ
ZIP code 07005	4.3 mi	Boonton, NJ
ZIP code 07981	4.5 mi	Whippany, 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 07878, plotted from its record coordinates.

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

Scope ZIP code 07878. 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.