Zip Area Code

Henniker, New Hampshire

Henniker, New Hampshire, in Merrimack County, has ZIP code 03242 and area code 603.

ZIP code
03242
Area code
603
Time zone
Eastern Time
Coordinates
43.1791, -71.8159

ZIP codes in Henniker

ZIP codePost officeCountyArea codes
03242HennikerMerrimack County603

Area code for Henniker

  • Area code 603

    In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Time zone

Henniker is in the Eastern Time zone.

Towns near Henniker