Warren, MI is currently utilizing one area code which is area code 586. Area code 586 was created from a split of area code 810 and put into service on September 22, 2001.
In addition to Warren, MI area code 586 serves Macomb County of the Detroit Metropolitian Area including the larger communities of Clinton Township, Eastpointe, Macomb, Roseville, Shelby Township, St. Clair Shores, Sterling Heights and Warren, in addition to many smaller communities within the area code 586 service area.
Warren, MI is located in Macomb County and observes the Eastern Time Zone. View our Times by Area Code tool.