Union Township, NJ ZIP Codes
Union Township, New Jersey has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Union Township ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Union Township ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Union Township township limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and county subdivision limits (2024).
All Union Township ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 07083 | street delivery Chestnut |
| 07088 | street delivery; mail may be addressed to Vauxhall Union |
Why your mail may say Union Township when you live outside it
Union Township ZIP codes also cover Vauxhall, Union and Kean University, so a letter addressed to Union Township can go to a home outside the township limits.
A ZIP code does not set your city, school district or tax. Union County property records show which city you are in.
Union Township ZIP code questions
What is the main ZIP code for Union Township?
07088, the ZIP code of the main Union post office at 1130 W Chestnut St.
What county is Union Township in?
Union County.
ZIP codes for towns near Union Township
More towns near Union Township: East Orange, Rahway, West Orange Township, Livingston Township, Kearny, Bayonne, Belleville Township, Bloomfield Township, Woodbridge Township.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections