ZIP Code 07421

07421 is one of New Jersey's ZIP codes, delivering to addresses in Hewitt, Passaic County.

City: Hewitt
County: Passaic County
State: New Jersey
Prefix: 074xx

Where this code sits

07421 is part of the 074xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hewitt.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07421 delivers to without sharing its boundary.

ZIP codes nearest 07421

The ZIP codes whose reference points sit closest to 07421.
ZIP code	Distance	Delivers to
ZIP code 10979	2.7 mi	Sterling Forest, NY
ZIP code 10925	4.3 mi	Greenwood Lake, NY
ZIP code 07422	4.6 mi	Highland Lakes, NJ
ZIP code 10959	5.0 mi	New Milford, NY
ZIP code 07480	5.5 mi	West Milford, NJ
ZIP code 10912	6.3 mi	Bellvale, NY
ZIP code 10990	6.6 mi	Warwick, NY
ZIP code 07456	7.6 mi	Ringwood, 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 07421, plotted from its record coordinates.

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

Scope ZIP code 07421. 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.