Perth Amboy, NJ ZIP Codes
Perth Amboy, New Jersey has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Perth Amboy covers nearby places too.
Where the 08861 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
08862 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Perth Amboy city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Perth Amboy
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?
Perth Amboy PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 08861 | street delivery Perth Amboy |
| 08862 | PO boxes at the Perth Amboy post office Perth Amboy |
Why your mail may say Perth Amboy when you live outside it
Perth Amboy ZIP codes also cover Hopelawn, so a letter addressed to Perth Amboy can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Middlesex County property records show which city you are in.
Perth Amboy ZIP code questions
What is the main ZIP code for Perth Amboy?
08861, the ZIP code of the main Perth Amboy post office at 205 Jefferson St.
Which Perth Amboy ZIP codes are for PO boxes only?
08862. Mail to it goes to boxes at the post office, not to street addresses.
What county is Perth Amboy in?
Middlesex County.
ZIP codes for towns near Perth Amboy
More towns near Perth Amboy: New Brunswick, Westfield, Plainfield, East Brunswick Township, Piscataway Township, Elizabeth, North Brunswick Township, Union Township, Marlboro 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