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Phone Directory 423-857 Detail

State Major City Time Zone
Tennessee Chattanooga Eastern / Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
423-857 Kingsport, TN United Telephone-southeast-tn DBA Centurylink Sullivan Landline 10/31/2000

Other Series For Prefixes

423-8570###
423-8571###
423-8572###
423-8573###
423-8574###
423-8575###
423-8576###
423-8577###
423-8578###
423-8579###