Merrimac, Massachusetts Area Code

Merrimac, MA Area Codes are

978 and 351

Merrimac, MA is officially utilizing an area code overlay in which area codes 351 and 978 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Merrimac, MA area code information read more about area codes 351 and 978 details and Massachusetts area codes.

Merrimac, MA is located in Essex County and observes the Eastern Time Zone. View our Times by Area Code tool.

Massachusetts Area Code Map