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Piscataway, NJ ZIP codes

Piscataway, New Jersey has 2 ZIP codes, including 1 PO Box ZIP. They are in Middlesex County.

Population in these ZIPs
61,088
Avg. median income
$127,800population-weighted
Typical home value
$595,600population-weighted
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ZIP codes within 10 miles

Piscataway, NJ ZIP codes list

Piscataway, NJ ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
08854Middlesex County61,088$127,806$595,600
08855 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 Piscataway

Frequently asked questions

What is the ZIP code for Piscataway, NJ?

Piscataway, NJ has 2 ZIP codes: 08854 and 08855.

What county is Piscataway, New Jersey in?

Piscataway ZIP codes are in Middlesex County.

Which Piscataway ZIP codes are PO Boxes?

08855 is a PO Box or single-organization ZIP code; it has no residential delivery area.