Zip Area Code

Holderness, New Hampshire

Holderness, New Hampshire, in Grafton County, has ZIP code 03245 and area code 603.

ZIP code
03245
Area code
603
Time zone
Eastern Time
Coordinates
43.7378, -71.6044

ZIP codes in Holderness

ZIP codePost officeCountyArea codes
03245HoldernessGrafton County603

Area code for Holderness

  • Area code 603

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

Time zone

Holderness is in the Eastern Time zone.

Towns near Holderness