A new area code will soon join the existing 423 area code serving most of East Tennessee.

With new telephone numbers in high demand, the Tennessee Public Utility Commission approved the addition of the new 729 area code to the existing 423 area code region, which covers two non ...

Tennessee Public Utility Commission approved two new area codes - 729 and 423 - for eastern Tennessee. The change goes into effect Aug. 5.

TENNESSEE, USA — A new 729 area code will be introduced in East Tennessee, including in the Tri-Cities region, officials said. The new 729 code is the latest sign of a growing state.

NASHVILLE, Tenn. (WJHL) — A new area code number is coming to the 423 counties in East Tennessee. The new area code, 729, was approved on May 30 by the Tennessee Public Utilities Commission ...

Tennessee's newest area code will be added to the existing 423 coverage area. See when the 729 will roll out.

Local calls made in parts of East Tennessee's 423 area code, including Chattanooga, will need to be made dialing 10 digits soon because of a new area code: 729.