If you currently dial seven digits for a local call in the Detroit area, get ready to include the 313 area code.
The City of Detroit and its surrounding areas with a 313 area code will be switching to a 10-digit dialing requirement and a ...
State officials said they are running out of 313 numbers and providers may soon begin issuing numbers with a new 679 area ...
Here's when the 313 area code is expected to run out of new numbers and when people will be required to dial 10 numbers.