This is the area code for Oakland County, Michigan. A county that borders the city of Detroit. The 248 area code was split off from the 810 area code. Oakland County is a county in the U.S. state of Michigan. ... Motto: Speramus Meliora; Resurget Cineribus (We Hope For Better Things; It Shall Rise From the Ashes - this motto was adopted after the disastrous 1805 fire that devastated the city) Nickname: The Motor City and Motown Location in Wayne County, Michigan Founded Incorporated July 24, 1701 1815 County Wayne County Mayor...
Areacode 313 is the telephone areacode serving the city of Detroit, Michigan, and some of the city's innermost suburbs.
Later, that area would be subdivided further, into 248, largely serving Oakland County, and 586, covering Macomb County.
Meanwhile on December 13, 1997, the 313 area also required an additional breakup, creating the new 734 area out of Washtenaw and western Wayne counties.