679 Area Code, Michigan

679 area code is an inactive telephone area code in the North American Numbering Plan (NANP) for Detroit in the state of Michigan, United States.

Area Code679
Major CityDetroit
AssignedFebruary 2000
CancelledApril 2000
Service Date11/07/2025
Time ZoneEastern
Overlay Complex313/679
LocationMichigan (MI)
CountryUnited States

Area code 679 was established as the second area code to form the overlay plan with area code 313. However, the assistance schedule was canceled in April 2000, and until the overlay was discontinued.

Updated: Area code 679 is reactivated and will begin service on November 7, 2025.

The main post offices in each region in Nigeria have postal codes ending in 0001. The lowest postal code is 100001 and the highest with a special code is 982112.

NIPOST or Nigerian Postal Service is a company owned and operated by the government of this country. The country has a total of more than 5000 post offices spread throughout the region. Find the correct ZIP (Zone Improvement Plan) code or Postal Code for the postal address you need.