The 423 area code covers Chattanooga, Johnson City, Kingsport and more in Tennessee. Provision a local 423 number in minutes.
Area code 423 covers eastern Tennessee, a region of Appalachian scenery, Cherokee heritage, and significant Civil War history. Chattanooga has reinvented itself as a tech-forward city known for its world-class outdoor recreation and its ultra-fast municipal broadband network. The Tri-Cities (Johnson City, Kingsport, Bristol) anchor the northeastern corner.
The 423 area code covers Chattanooga, Johnson City, Kingsport, Bristol in Tennessee.
Phone numbers in the 423 area code operate on America/New_York time.
Yes. The 423 area code was introduced in 1995 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 423 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Provision a 423 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.