ZIP Code 08850

08850 is one of New Jersey's ZIP codes, delivering to addresses in Milltown, Middlesex County.

City: Milltown
County: Middlesex County
State: New Jersey
Prefix: 088xx

Where this code sits

08850 is part of the 088xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Milltown.

Milltown New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 08850 delivers to without sharing its boundary.

ZIP codes nearest 08850

The ZIP codes whose reference points sit closest to 08850.
ZIP code	Distance	Delivers to
ZIP code 08818	1.8 mi	Edison, NJ
ZIP code 08855	1.8 mi	Piscataway, NJ
ZIP code 08862	1.8 mi	Perth Amboy, NJ
ZIP code 08871	1.8 mi	Sayreville, NJ
ZIP code 08989	1.8 mi	New Brunswick, NJ
ZIP code 08816	2.2 mi	East Brunswick, NJ
ZIP code 08902	2.3 mi	North Brunswick, NJ
ZIP code 08906	2.6 mi	New Brunswick, 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 08850, plotted from its record coordinates.

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

Scope ZIP code 08850. 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.