Chattanooga, Tennessee · EST/EDT (UTC-5) · United States
Chattanooga, Johnson City, Kingsport — eastern Tennessee
Scenic City. First city in US to offer city-wide gigabit internet.
Area code 423 is located in Chattanooga, Tennessee (United States). It covers Chattanooga, Johnson City, Kingsport — eastern Tennessee.
Area code 423 (Chattanooga, Tennessee) is in the EST/EDT time zone. Standard time is UTC-5 and UTC-4 during Daylight Saving Time.
Area code 423 is a legitimate NANPA-assigned code serving Chattanooga, Tennessee. However, scammers can spoof any area code. If you receive an unexpected call from (423), verify the caller before sharing personal information.
Area code 423 follows EST/EDT (UTC-5). See the live clock at whattime.city/nashville/ for the exact current time in Chattanooga.
Area code 423 was introduced in 1995. Scenic City. First city in US to offer city-wide gigabit internet.