https://www.fox17online.com/news/local-news/michigan/new-679-area-code-begins-in-november-for-detroit-other-areas
New 679 area code begins in November for Detroit & other areas
Mar 18, 2025 - The City of Detroit is known for the 313 area code, but later this year the Motor City will get a second area code to deal with a lack of unclaimed numbers.
679 area codenewbegins