Area code 906 is the

telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

in the

North American Numbering Plan The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international callin ...

(NANP) for the

Upper Peninsula of Michigan The Upper Peninsula of Michigan – also known as Upper Michigan or colloquially the U.P. – is the northern and more elevated of the two major landmasses that make up the U.S. state of Michigan; it is separated from the Lower Peninsula by t ...

History

Area code 906 was assigned in an

area code split In telecommunications, an area code split is the practice of introducing a new telephone area code by geographically dividing an existing numbering plan area (NPA), and assigning area codes to the resulting divisions, but retaining the existing ar ...

of numbering plan area (NPA)

616 __NOTOC__ Year 616 ( DCXVI) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 616 for this year has been used since the early medieval period, when the Anno Domini calendar era ...

on March 19, 1961, in a

flash cut A flash cut, also called a flash cutover, is an immediate change in a complex system, with no phase-in period. In the United States, some telephone area codes were split or overlaid immediately, rather than being phased in with a permissive dia ...

, which means no

permissive dialing In North America, permissive dialing is the ability to make phone calls in an area subject to a newly introduced area code by using both the new and preexisting dialing methods. When an area is given a new area code under a split plan, the area's ...

period was implemented. 906 is among the least populous numbering plan areas in

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

, serving only about 320,000 people. Therefore, it is unlikely 906 will exhaust in the foreseeable future. The area code has inspired an unofficial holiday in the Upper Peninsula on September 6 (906 correlating to the month/day date). Prior to October 2021, area code 906 had telephone numbers assigned for the

central office code The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

988. In 2020, ''988'' was designated nationwide as a dialing code for the

National Suicide Prevention Lifeline The 988 Suicide & Crisis Lifeline (formerly known as the National Suicide Prevention Lifeline) is a United States-based suicide prevention Suicide prevention is a collection of efforts to reduce the risk of suicide. Suicide is often preven ...

, which created a conflict for exchanges that permit

seven-digit dialing Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers in the same numbering plan area (NPA). NANP telephone numbers consist of ten digits, of wh ...

. This area code was therefore scheduled to transition to

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telep ...

by October 24, 2021.

Service area

Area code 906 is used in the following cities: * Baraga *

Calumet Calumet may refer to: Places United States *Calumet Region, in northern Illinois and Indiana **Calumet River **Calumet Trail, Indiana ** Calumet (East Chicago) * Calumet, Colorado *Calumet, Iowa * Calumet, Michigan *Calumet, Minnesota * Calumet ...

Escanaba Escanaba ( ), commonly shortened to Esky, is a port city in Delta County in the U.S. state of Michigan, located on Little Bay de Noc in the state's Upper Peninsula. The population was 12,616 at the 2010 census, making it the third-largest city i ...

Gladstone William Ewart Gladstone ( ; 29 December 1809 – 19 May 1898) was a British statesman and Liberal politician. In a career lasting over 60 years, he served for 12 years as Prime Minister of the United Kingdom, spread over four non-conse ...

Hancock Hancock may refer to: Places in the United States * Hancock, Iowa * Hancock, Maine * Hancock, Maryland * Hancock, Massachusetts * Hancock, Michigan * Hancock, Minnesota * Hancock, Missouri * Hancock, New Hampshire ** Hancock (CDP), New Hampshir ...

Houghton Houghton may refer to: Places Australia * Houghton, South Australia, a town near Adelaide * Houghton Highway, the longest bridge in Australia, between Redcliffe and Brisbane in Queensland * Houghton Island (Queensland) Canada * Houghton Townshi ...

* Iron Mountain *

Ironwood Ironwood is a common name for many woods or plants that have a reputation for hardness, or specifically a wood density that is heavier than water (approximately 1000 kg/m3, or 62 pounds per cubic foot), although usage of the name ironwood in E ...

Ishpeming Ishpeming ( ) is a city in Marquette County in the Upper Peninsula of the U.S. state of Michigan. The population was 6,470 at the 2010 census, less than it was in the 1950s and 1960s when the iron ore mines employed more workers. A statue of a ...

* Kingsford * L'Anse * Marquette * Manistique *

Menominee The Menominee (; mez, omǣqnomenēwak meaning ''"Menominee People"'', also spelled Menomini, derived from the Ojibwe language word for "Wild Rice People"; known as ''Mamaceqtaw'', "the people", in the Menominee language) are a federally recog ...

Newberry Newberry is a surname, a variant of Newbury. Notable people with the surname include: * Booker Newberry III (born 1956), American singer and keyboardist * Brennan Newberry (born, 1990), American professional stock car racing driver * Brian Newb ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

St. Ignace St. Ignace is a city in the U.S. state of Michigan and the county seat of Mackinac County. The city had a population of 2,452 at the 2010 census. St. Ignace Township is located just to the north of the city, but the two are administered auto ...

* Sault Ste. Marie

Isle Royale National Park Isle Royale National Park is an American national park consisting of Isle Royale – known as Minong to the native Ojibwe – along with more than 400 small adjacent islands and the surrounding waters of Lake Superior, in the state of Michigan ...

and

Mackinac Island Mackinac Island ( ; french: Île Mackinac; oj, Mishimikinaak ᒥᔑᒥᑭᓈᒃ; otw, Michilimackinac) is an island and resort area, covering in land area, in the U.S. state of Michigan. The name of the island in Odawa is Michilimackinac an ...

also use the 906 area code. Bois Blanc Township in the only municipality in the Upper Peninsula to not use area code 906, as it uses

area code 231 Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan, History Area code 231 was created in June 1999 by an area code split of area ...

. Most of the numbering plan area is in the

Eastern Time Zone The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama, Colombia, mainland Ecuador, Peru, and a small por ...

, except for the counties bordering Wisconsin, which are in the

Central Time Zone The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, some Caribbean Islands, and part of the Eastern Pacific Ocean. Central Standard Time (CST) is six hours behind Coordinate ...

References

External links

Map of Michigan area codes
at

North American Numbering Plan Administration The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

'
website

906 __NOTOC__ Year 906 ( CMVI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * February 27 – Battle of Fritzlar: The Conradines defeat the Babenberg co ...

Upper Peninsula of Michigan {{Michigan-geo-stub

History

Service area

See also

References

External links