ZIP Code 07940

07940 is one of New Jersey's ZIP codes, delivering to addresses in Madison, Morris County.

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

Where this code sits

07940 is part of the 079xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Madison.

Madison New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07940 delivers to without sharing its boundary.

ZIP codes nearest 07940

The ZIP codes whose reference points sit closest to 07940.
ZIP code	Distance	Delivers to
ZIP code 07932	1.7 mi	Florham Park, NJ
ZIP code 07935	2.2 mi	Green Village, NJ
ZIP code 07928	2.2 mi	Chatham, NJ
ZIP code 07976	3.9 mi	New Vernon, NJ
ZIP code 07902	4.1 mi	Summit, NJ
ZIP code 07974	4.2 mi	New Providence, NJ
ZIP code 07901	4.2 mi	Summit, NJ
ZIP code 07961	4.2 mi	Convent Station, 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 07940, plotted from its record coordinates.

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

Scope ZIP code 07940. 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.