Marquette, MI is served by area code 906. Area code 906 was put into service on March 19, 1961.
In addition to Marquette, MI area code 906 serves the Upper Peninsula of Michigan including the larger cities and communities of Escanaba, Houghton, Iron Mountain, Ironwood, Mackinac Island, Menominee and Sault Ste. Marie in addition to many smaller communities within the service area.
Marquette, MI is located in Marquette County and observes the Eastern Time Zone. View our Times by Area Code tool.