Hackettstown, NJ zip code
Hackettstown, New Jersey uses one zip code: 07840. Most of it is in Warren County. Together these zip codes are home to about 32K people.
Zip codes
1
Population
32K
All zips combined
Largest zip
07840
32,105 residents
Zip codes in Hackettstown
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 07840 | 32,105 | $105,866 |