Zip Area Code

Haverhill, New Hampshire

Haverhill, New Hampshire, in Grafton County, has ZIP code 03765 and area code 603.

ZIP code
03765
Area code
603
Time zone
Eastern Time
Coordinates
44.0394, -72.0573

ZIP codes in Haverhill

ZIP codePost officeCountyArea codes
03765HaverhillGrafton County603

Area code for Haverhill

  • Area code 603

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

Time zone

Haverhill is in the Eastern Time zone.

Towns near Haverhill