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906 is the only telephone area code for the whole of the upper peninsular region of Michigan. Though serving one of the most commercially flourishing regions of Michigan, 906 is still one of the smallest area codes in the whole of North America. Only about 320,000 people reside in the region serviced by the area code 906. It is however, the sixth largest area code that is present east of the Mississippi River.

Area code 906 was created way back in March 1961 from the erstwhile area code 616. This was because a part of Michigan was being considered merging with Wisconsin or forming an entirely new Superior. The area code is expected to remain operational till 2038.

906 lies in two time zones, the Eastern and the Central time zones. It covers 19 counties, some of them being Marquette, Iron, Houghton, Delta, Gogebic, Mackinac, and Ontonagon; 390 zip codes; and 140 cities, some of the most prominent ones being Escanaba, Gladstone, Iron Mountain, Ironwood, Houghton, Ishpeming, Marquette, Menominee, Mackinac Island, Norway, Negaunee, and Sault Sainte Marie. The code also has 158 landlines and 36 wireless prefixes (exchanges) operated by as many as 24 carriers. The notable landline carriers/companies servicing this area code are American Cellular Corporation, Ameritech Michigan, Range Telecommunications, Upper Peninsula Telephone Company, Telnet Worldwide Inc., Chatham Telephone Company, and Baraga Telephone Company. The prominent cell phone service providers operating within this area code are Alltel Communications Inc., Centurytel Wireless Inc.-Mi, Dobson Cellular Systems Inc., Centurytel of Upper Michigan, and New Cell Inc Dba Cellcom.

The population in the area code 906 consist an interesting mix of Caucasian, African-American, Hispanic, Hawaiian, and Asian people. The median age is about 42.22 years; 41.51 years for males and 43.07 years for the female population. The average household income is USD 32,373. 66 and the average household size is 2.36 persons.

The Upper Peninsula of Michigan is the northernmost of the two major landmasses that make up the state of Michigan. Area code 906 falls in a region more commonly known as the “land above the Bridge,” the bridge here being the Mackinac Bridge that joins the two peninsulas. The Upper Peninsula is bordered on the north by Lake Superior, on the south by the lakes Michigan and Huron, on the east by the St. Mary’s River, and on the west by Wisconsin.

This is a region of exquisite natural beauty and dramatic landscapes formed by rugged cliffs, vast expanses of plain lands, and dense forests abounding with varied species of flora and fauna. It is thus not surprising that the upper peninsular region would be a favorite with tourists. In fact, tourism is one of the mainstays here, along with mining and logging. The notable tourist attractions of this region are the Bond Falls, the Keweenaw National Historic Park, the Marquette Arts and Culture Center, the National Ski Hall of Fame, and the Mackinac Bridge.

Area code 906 serves a region that is historically intriguing, culturally rich, ethnically diverse, economically stable, and naturally beautiful.