Area Code 423: Chattanooga / East Tennessee

Area code 423 is in Chattanooga / East Tennessee, Tennessee. Numbers that start with 423 are based in Chattanooga, Kingsport, Bristol.

Area code 423 covers Chattanooga / East Tennessee in Tennessee. The primary cities served include Chattanooga, Kingsport, Bristol.

Area code 423 is primarily associated with Chattanooga, along with Kingsport, Bristol. It serves the broader Chattanooga / East Tennessee area.

Area code 423 is in Tennessee (TN). Tennessee has 7 area codes in total.

Area code 423 operates in the Eastern Time Zone. Keep this in mind when scheduling calls with contacts in the Chattanooga / East Tennessee area.

No, area code 423 is the primary area code for Chattanooga / East Tennessee in Tennessee. It is not an overlay code.

For calls from outside Tennessee, always dial the full 10-digit number. For local calls within Tennessee, requirements may vary by carrier, check with your provider.

No, area code 423 is a local geographic area code, not a toll-free number. Standard call charges apply based on your carrier plan. Toll-free area codes include 800, 833, 844, 855, 866, 877, and 888.

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