Zip Area Code

Cornish, New Hampshire

Cornish, New Hampshire, in Sullivan County, has ZIP code 03745 and area code 603.

ZIP code
03745
Area code
603
Time zone
Eastern Time
Coordinates
43.4963, -72.3394

ZIP codes in Cornish

ZIP codePost officeCountyArea codes
03745CornishSullivan County603

Area code for Cornish

  • Area code 603

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

Time zone

Cornish is in the Eastern Time zone.

Towns near Cornish