ZIP Code 07090

07090 is one of New Jersey's ZIP codes, delivering to addresses in Westfield, Union County.

City: Westfield
County: Union County
State: New Jersey
Prefix: 070xx

Where this code sits

07090 is part of the 070xx range, the group of codes handled by one mail processing centre. Westfield is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Westfield page.

Westfield New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07090 delivers to without sharing its boundary.

908 Area code 908

ZIP codes nearest 07090

The ZIP codes whose reference points sit closest to 07090.
ZIP code	Distance	Delivers to
ZIP code 07027	1.1 mi	Garwood, NJ
ZIP code 07076	1.4 mi	Scotch Plains, NJ
ZIP code 07016	2.1 mi	Cranford, NJ
ZIP code 07023	2.2 mi	Fanwood, NJ
ZIP code 07092	2.2 mi	Mountainside, NJ
ZIP code 07066	2.6 mi	Clark, NJ
ZIP code 07061	2.7 mi	Plainfield, NJ
ZIP code 07091	2.7 mi	Westfield, 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 07090, plotted from its record coordinates.

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

Scope ZIP code 07090. 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.