ZIP Code 08542
Princeton · Mercer, New Jersey
08542 is the ZIP code of Princeton in Mercer, New Jersey, United States.
- ZIP Code
- 08542
- County
- Mercer
- State
- New Jersey
- Country
- United States
Place with ZIP code 08542
| Place | County | Location |
|---|---|---|
| Princeton | Mercer | 40.353, -74.659 |
Near Philadelphia
The nearest major city is Philadelphia, about 62 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 08542?
Princeton.
Which county and state is 08542 in?
Mercer, New Jersey, United States.
What is the nearest major city to 08542?
Philadelphia, about 62 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.