Zip Area Code

Hanover, New Hampshire

Hanover, New Hampshire, in Grafton County, has ZIP code 03755 and area code 603.

ZIP code
03755
Area code
603
Time zone
Eastern Time
Coordinates
43.7045, -72.2850

ZIP codes in Hanover

ZIP codePost officeCountyArea codes
03755HanoverGrafton County603

Area code for Hanover

  • Area code 603

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

Time zone

Hanover is in the Eastern Time zone.

Towns near Hanover