ZIP Code 07999

07999 is one of New Jersey's ZIP codes, delivering to addresses in Whippany, Morris County.

City: Whippany
County: Morris County
State: New Jersey
Prefix: 079xx

Where this code sits

07999 is part of the 079xx range, the group of codes handled by one mail processing centre. Whippany is served by 2 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07999 delivers to without sharing its boundary.

ZIP codes nearest 07999

The ZIP codes whose reference points sit closest to 07999.
ZIP code	Distance	Delivers to
ZIP code 07802	0.0 mi	Dover, NJ
ZIP code 07806	0.0 mi	Picatinny Arsenal, NJ
ZIP code 07962	0.0 mi	Morristown, NJ
ZIP code 07803	0.8 mi	Mine Hill, NJ
ZIP code 07869	1.5 mi	Randolph, NJ
ZIP code 07847	2.4 mi	Kenvil, NJ
ZIP code 07885	3.2 mi	Wharton, NJ
ZIP code 07801	3.8 mi	Dover, 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 07999, plotted from its record coordinates.

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

Scope ZIP code 07999. 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.