City · New Jersey · United States

Princeton, NJ — ZIP codes

5 ZIP codes · Mercer County

City: Princeton
County: Mercer
State: New Jersey
Country: United States
Postal codes: 0854008541085420854308544
Single source
Coordinates: 40.3666, -74.6408 View on OpenStreetMap

ZIP codes (5)

Postal code	Place name	Verification
08540	Princeton	Single source
08541	Princeton	Single source
08542	Princeton	Single source
08543	Princeton	Single source
08544	Princeton	Single source

Sources and verification

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. Last generated : 2026-08-21. Report an error.