ZIP code · Trenton · New Jersey · United States
ZIP code 08603 — Trenton
ZIP code 08603 serves Trenton, New Jersey.
- Postal code
- 08603Single source Value from one source, not cross-checked.
- City
- Trenton
- County
- Mercer
- State
- New Jersey
- Country
- United States
- Coordinates
- 40.2805, -74.7120 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area codes
- 609, 640Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page