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Phone Directory 423-579 Detail

State Major City Time Zone
Tennessee Chattanooga Eastern / Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
423-579 Kingsport, TN Mountainet Telephone Company-va Sullivan Landline 02/13/2009

Other Series For Prefixes

423-5790###
423-5791###
423-5792###
423-5793###
423-5794###
423-5795###
423-5796###
423-5797###
423-5798###
423-5799###