Trenton, NJ ZIP Codes
Trenton, New Jersey has 25 ZIP codes: 11 for street addresses (, , , , , and 5 more), 9 for PO boxes and 5 for single organizations.
Your street decides which one you use.
Which Trenton 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?
Trenton ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
PO box and single-organization ZIP codes have no area on the map. Dashed line: Trenton city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Trenton ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 08601 | PO boxes at the Downtown post office Downtown |
| 08602 | PO boxes at the Downtown post office Downtown |
| 08603 | PO boxes at the Downtown post office Downtown |
| 08604 | PO boxes at the Downtown post office Downtown |
| 08605 | PO boxes at the Downtown post office Downtown |
| 08606 | PO boxes at the Downtown post office Downtown |
| 08607 | PO boxes at the Downtown post office Downtown |
| 08608 | street delivery Downtown |
| 08609 | street delivery Downtown |
| 08610 | street delivery Independence |
| 08611 | street delivery Downtown |
| 08618 | street delivery Downtown |
| 08619 | street delivery Mercerville |
| 08620 | street delivery Trenton |
| 08625 | PO boxes at the Trenton post office Trenton |
| 08628 | street delivery Circle |
| 08629 | street delivery Villa Park |
| 08638 | street delivery Circle |
| 08645 | one organization Trenton |
| 08646 | one organization Trenton |
| 08647 | one organization Trenton |
| 08650 | PO boxes at the Trenton post office Trenton |
| 08666 | one organization Trenton |
| 08690 | street delivery Mercerville |
| 08695 | one organization Trenton |
Why your mail may say Trenton when you live outside it
Trenton ZIP codes also cover Ewing Township, Hamilton Township and Hamilton Square, so a letter addressed to Trenton can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Mercer County property records show which city you are in.
Trenton ZIP code questions
What is the main ZIP code for Trenton?
08620, the ZIP code of the main Trenton post office at 680 US Highway 130.
Which Trenton ZIP codes are for PO boxes only?
08601, 08602, 08603, 08604, 08605, 08606, 08607, 08625 and 08650. Mail to them goes to boxes at the post office, not to street addresses.
What county is Trenton in?
Mercer County.
ZIP codes for towns near Trenton
More towns near Trenton: Middletown Township, West Windsor Township, Bristol Township, Princeton, East Windsor Township, Bensalem Township, Northampton Township, Willingboro Township, South Brunswick 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