ZIP Code 07840 – Hackettstown, New Jersey
The 07840 ZIP Code belongs to Hackettstown, New Jersey. The population in this 07840 ZIP code is 31,995. The latitude is 40.86034 and longitude is -74.83192 in 07840 Hackettstown, New Jersey. The time zone for this 07840 ZIP code is America/New_York.
| City | Hackettstown |
| Zip Code | 07840 |
| State | New Jersey |
| County | Warren |
| Population | 31,995 |
| Latitude | 40.86034 |
| Longitude | -74.83192 |
| Time Zone | America/New_York |