Area code 906
Area code 906 was assigned in an area code split of numbering plan area (NPA) 616 on March 19, 1961 in a flash cut, which means no permissive dialing period was implemented. 906 is among the least populous numbering plan areas in North America, serving only about 320,000 people. Therefore, the most recent NANPA projections do not list an exhaust date, explaining that the projected exhaust date is more than 30 years in the future. The area code has inspired an unofficial holiday in the Upper Peninsula on September 6 (906 correlating to the month/day date).
Area code 906 is used in the following cities:
- Iron Mountain
- St. Ignace
- Sault Ste. Marie (its namesake in Ontario uses area code 705)
- Gmiter, Tanda (6 September 2016). "Happy #906 Day to da U.P., eh!". MLive. Retrieved 6 September 2017.
- Map of Michigan area codes at North American Numbering Plan Administration's website
- List of exchanges from AreaCodeDownload.com, 906 Area Code
|North: 705/249, Lake Superior|
|West: 715/534||area code 906||East: 705/249, Lake Huron|
|South: 231, 715/534, 920, Lake Michigan|
|Ontario area codes: 226/519/548, 249/705, 289/365/905, 343/613, 416/437/647, 807|
|Wisconsin area codes: 262, 414, 534/715, 608, 920|
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