The area code 586 is located in Sterling Heights, Michigan.
Area code 586 serves Sterling Heights, Michigan, and most of Macomb County in southeast Michigan, part of the Metro Detroit region. Centered northeast of Detroit, it covers busy suburbs, lakefront communities on Lake St. Clair, and neighborhoods along the Clinton River. Sterling Heights is one of Michigan’s largest cities, and the area code supports thousands of local phone numbers for homes, schools, and businesses. Major routes like I-94, I-696, and M-59 (Hall Road) tie this calling area together.
Major communities in area code 586 include:
Established in 2001 as a split from area code 810, 586 was created to meet growing demand for new phone numbers across Macomb County. The region includes key landmarks like Selfridge Air National Guard Base in Harrison Township and the Lake St. Clair shoreline, plus shopping and business hubs along Hall Road. It’s a core part of the Metro Detroit economy, with manufacturing, logistics, and retail spread across city centers and township corridors. “Area code 586 was created in 2001 from 810.” — North American Numbering Plan Administrator (NANPA); “Macomb County is Michigan’s third‑most populous county.” — U.S. Census Bureau.