Claremont, New Hampshire Area Code

Claremont, NH Area Codes are

Claremont, NH is officially utilizing one area code which is area code 603.

In addition to Claremont, NH area code information read more about area code 603 details and New Hampshire area codes.

Claremont, NH is located in Sullivan County and observes the Eastern Time Zone. View our Times by Area Code tool.

New Hampshire Area Code Map