Sault Ste Marie, Michigan

Where Is Area Code 906?

Area code 906 serves Michigan's Upper Peninsula. It covers the entire Upper Peninsula, which is the northern part of the state above Wisconsin and between Lake Superior, Lake Michigan, and Lake Huron.

Sault Ste. Marie is one of the best-known cities in area code 906. Other major communities in the area code include Marquette, Escanaba, Menominee, Iron Mountain, Houghton, Hancock, and Munising. The area code reaches across all 15 counties of the Upper Peninsula, including Chippewa County, Marquette County, Delta County, and Dickinson County.

Area code 906 includes major geographic features and landmarks in the Upper Peninsula. These include Pictured Rocks National Lakeshore, Tahquamenon Falls State Park, Isle Royale National Park, and the Soo Locks in Sault Ste. Marie. The region also borders three Great Lakes: Superior, Michigan, and Huron.

History of Area Code 906

Area code 906 was created in 1961. It was split from area code 616, which had previously served western Michigan and the Upper Peninsula.

Area code 906 has not been overlaid or split since 1961. It remains the only area code for the entire Upper Peninsula, even though the region covers a large geographic area with many small and mid-sized communities. Its long-term stability reflects the Upper Peninsula's relatively low population and lower demand for new telephone numbers compared with larger metro areas.

Key Facts About Area Code 906

• Area code 906 is in the state of Michigan and serves Sault Ste. Marie, Marquette, Escanaba, Menominee, Iron Mountain, Houghton, Hancock, and other Upper Peninsula communities.
• Area code 906 serves the entire Upper Peninsula of Michigan, a region made up of 15 counties.
• Area code 906 is in the Eastern Time Zone.
• Area code 906 was established in 1961 as a split from area code 616.
• Area code 906 is a geographic area code, not a toll-free area code.
• Area code 906 covers notable places including the Soo Locks, Pictured Rocks National Lakeshore, Tahquamenon Falls State Park, and Isle Royale National Park.
• Area code 906 includes major institutions such as Northern Michigan University in Marquette and Michigan Technological University in Houghton.
• The Upper Peninsula had a 2020 census population of 301,608, which gives a general sense of the population served by area code 906.

Frequently Asked Questions

What state is area code 906 in?

Area code 906 is in Michigan.

What major cities use area code 906?

Major cities and communities in area code 906 include Sault Ste. Marie, Marquette, Escanaba, Menominee, Iron Mountain, Houghton, Hancock, and Munising.

Is area code 906 a toll-free number?

No. Area code 906 is a geographic area code for Michigan's Upper Peninsula.