ZIP Code 07840
Hackettstown · Warren, New Jersey
07840 is the ZIP code of Hackettstown in Warren, New Jersey, United States.
- ZIP Code
- 07840
- County
- Warren
- State
- New Jersey
- Country
- United States
Place with ZIP code 07840
| Place | County | Location |
|---|---|---|
| Hackettstown | Warren | 40.853, -74.834 |
Near Paterson
The nearest major city is Paterson, about 56 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 07840?
Hackettstown.
Which county and state is 07840 in?
Warren, New Jersey, United States.
What is the nearest major city to 07840?
Paterson, about 56 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.