Zip Area Code

Hackettstown, New Jersey

Hackettstown, New Jersey, in Warren County, has ZIP code 07840 and area code 908.

ZIP code
07840
Area code
908
Time zone
Eastern Time
Coordinates
40.8529, -74.8343

ZIP codes in Hackettstown

ZIP codePost officeCountyArea codes
07840HackettstownWarren County908

Area code for Hackettstown

  • Area code 908

    In service since November 1, 1990. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Time zone

Hackettstown is in the Eastern Time zone.

Towns near Hackettstown