The area code 423 is located in Chattanooga, Tennessee.
Welcome to the 423 area code, home to Chattanooga, Tennessee! Whether you're a local or just passing through, 423 is your gateway to the vibrant city nestled in the foothills of the Appalachian Mountains. Dialing those three digits will connect you to the heart of Chattanooga, known for its breathtaking natural beauty, rich history, and thriving arts scene. From exploring Lookout Mountain to enjoying the Tennessee Riverwalk, the 423 area code is your ticket to all the excitement and adventure that Chattanooga has to offer. So go ahead, pick up that phone and let the 423 area code be your guide to a memorable experience in the Scenic City!