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Area Code 423 Information

State: TN - Tennessee
Active: True

Area Code 423 is an area code in Tennessee that covers the cities of two separate and disconnected portions of East Tennessee. On the north is Bristol, Johnson City and Kingsport (more commonly known as the Tri-Cities); on the south lies Chattanooga and Cleveland.

Related Area Codes: 615, 865

Get other Tennessee area codes »

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