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New Brunswick, NJ ZIP codes

New Brunswick, New Jersey has 5 ZIP codes, including 4 PO Box ZIPs. They are in Middlesex County.

Population in these ZIPs
57,263
Avg. median income
$65,800population-weighted
Typical home value
$439,900population-weighted
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Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

New Brunswick, NJ ZIP codes list

New Brunswick, NJ ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
08901Middlesex County57,263$65,810$439,900
08903 PO BoxMiddlesex County———
08906 PO BoxMiddlesex County———
08933 PO BoxMiddlesex County———
08989 PO BoxMiddlesex County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near New Brunswick

Frequently asked questions

What is the ZIP code for New Brunswick, NJ?

New Brunswick, NJ has 5 ZIP codes: 08901, 08903, 08906, 08933 and 08989.

What county is New Brunswick, New Jersey in?

New Brunswick ZIP codes are in Middlesex County.

Which New Brunswick ZIP codes are PO Boxes?

08903, 08906, 08933 and 08989 are PO Box or single-organization ZIP codes; they have no residential delivery area.