Dummer, New Hampshire Area Code

Dummer, NH Area Codes are

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

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

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

New Hampshire Area Code Map