(WCYB) — All local calls made in the 423 area code of Tennessee must be dialed using 10 digits beginning Tuesday. Calls using just 7 digits will not be completed, and will be routed to an announcement ...

Beginning in September, a new dialing procedure, as well as a new area code overlay, are to be implemented. 10-digit dialing to become mandatory for all local calls within the 318 area code ...

Starting in early August, people in the 423 area code region will need to dial the full 10 digits for local calls.

JOHNSON CITY, Tenn. (WJHL) — Beginning Tuesday, local calls made within the 423 area code will have to be dialed using 10 digits instead of seven. To make a local call, the area code and phone number ...

It does not require customers to change their existing area code but will require dialing the area code and the 7-digit telephone number to complete local calls.

KENTUCKY (WKYT) - Some central Kentuckians with a current 502 area code will have to start dialing a few more numbers to make a local call. “The 502 area code, which is the Louisville area code and ...