The city will run out of available 313 numbers by 2027. New phone customers will be assigned 679 numbers starting in November ...

Here's when the 313 area code is expected to run out of new numbers and when people will be required to dial 10 digits.

People with 313 area codes will have to start dialing 10 digits for all local calls. The change takes effect later this fall.

The City of Detroit and its surrounding areas with a 313 area code will be switching to a 10-digit dialing requirement and a ...

If you currently dial seven digits for a local call in the Detroit area, get ready to include the 313 area code.

Starting Oct. 7, all local calls in Detroit and nearby areas will require dialing 10 digits. A new area code, 679, may be ...