State Michigan | ||
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Cities Marquette, Escanaba, Houghton, Iron Mountain, Ishpeming | ||
Area code 906 is the telephone area code for the entire Upper Peninsula of Michigan, including the following cities:
Isle Royale National Park and Mackinac Island also use the 906 area code.
Area code 906 is in the Eastern Time Zone, except for the counties bordering Wisconsin, which are in the Central Time Zone.
History
906 was created as a split from 616 on Sunday, March 19, 1961, as a flash-cut, with no official permissive dialing.
906 is among the least populous area codes in North America, serving only about 320,000 people. Due to its low population, it is not expected to be exhausted until 2042.
References
Area code 906 Wikipedia(Text) CC BY-SA