(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 ...

East Tennessee has another new area code, and it's going to add three more digits to many people's local calls. Starting Aug. 5, people in upper and lower East Tennessee in the 423 area code region ...

KNOXVILLE, Tenn. (WVLT) - With a new area code coming to East Tennessee in September, 10-digit dialing will be required beginning next week. The Tennessee Public Utility Commission announced on ...

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 ...

KNOXVILLE, Tenn. — A new area code and ten-digit dialing process is coming to East Tennessee. Originally, the Tennessee Public Utility Commission said that the new 729 area code and 10-digit dialing ...

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