Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 839 [Rate centres in NPA 839] [Dial plan for NPA 839]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-666 A Estill SC CLMASCTLX3Y  965H FRACTEL, LLC 434      
839-666 0 Estill SC   793K TWC IP ENABLED SERVICES, LLC 434   2022-07-24   
839-666 1 Estill SC   154C PALMETTO TELEPHONE COMMUNICATIONS, LLC - SC 434   2021-08-23   
839-666 2 Estill SC   516J TON80 COMMUNICATIONS, LLC 434   2022-04-04   
839-666 3 Estill SC   548E ONVOY, LLC - SC 434   2021-01-24   
839-666 4 Estill SC   548E ONVOY, LLC - SC 434   2021-01-24   
839-666 5 Estill SC   548E ONVOY, LLC - SC 434   2021-01-24   
839-666 6 Estill SC   965H FRACTEL, LLC 434   2020-05-26   
839-666 7 Estill SC   548E ONVOY, LLC - SC 434   2021-07-09   
839-666 8 Estill SC   548E ONVOY, LLC - SC 434   2021-07-09   
839-666 9 Estill SC   318J COMCAST IP PHONE, LLC 434   2022-05-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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