Zip Area Code

Sullivan County, New Hampshire

Sullivan County, New Hampshire, has 18 towns and 17 ZIP codes, in area code 603.

Towns in Sullivan County, A to Z

TownZIP codesArea codes
Acworth03601603
Blodgett Landingnearest03255, 03257, 03782603
Charlestown03603603
Claremont03743603
Cornish03745603
Cornish Flat03746603
Georges Mills03751603
Goshen03752603
Grantham03753603
Guild03754603
Lempster03605603
Meriden03770603
Newport03773603
Plainfield03781603
South Acworth03607603
Springfield03284603
Sunapee03782603
Washington03280603

ZIP codes in Sullivan County

Area code in Sullivan County

  • Area code 603

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