Geographic Regions and Area Codes

Area Code 906 is a significant geographic and telecommunication identifier for the Upper Peninsula of Michigan. It covers a vast region, including 91 cities such as Marquette, Escanaba, Menominee, Houghton, and Iron Mountain (source). The area code spans 18 counties, including Marquette County, Chippewa County, Mackinac County, Menominee County, and Delta County (source).

Key regions within Area Code 906 include:

  • Marquette
  • Escanaba
  • Menominee
  • Houghton
  • Iron Mountain

Area Code 906 is the sole area code for the Upper Peninsula of Michigan, created as a split from area code 616 and has been in service since March 19, 1961 (source). There are no overlays for this area code, and it is not in jeopardy of exhaustion (source).