ZIP Code 07840
Hackettstown, New Jersey · Warren County
No2818
Zip07840
TypeSTANDARD
Decommissioned0
Primary CityHackettstown
Acceptable Cities—
Unacceptable CitiesAllamuchy Twp
StateNJ
LstateNew Jersey
CountyWarren County
TimezoneAmerica/New_York
Area Codes862, 908, 973
World RegionNA
CountryUS
Latitude40,85
Longitude-74,82