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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-866 A Graniteville SC AGSTGAPUCMD  516J TON80 COMMUNICATIONS, LLC 442      
839-866 0 Graniteville SC   939H COMMIO, LLC 442   2022-11-27   
839-866 1 Graniteville SC   624H ONVOY SPECTRUM, LLC 442   2023-05-22   
839-866 2 Graniteville SC   793K TWC IP ENABLED SERVICES, LLC 442   2024-04-07   
839-866 3 Graniteville SC   548E ONVOY, LLC - SC 442   2024-04-13   
839-866 4 Graniteville SC   548E ONVOY, LLC - SC 442   2024-05-23   
839-866 7 Graniteville SC   548E ONVOY, LLC - SC 442   2023-09-08   
839-866 8 Graniteville SC   548E ONVOY, LLC - SC 442   2022-09-29   
839-866 9 Graniteville SC   516J TON80 COMMUNICATIONS, LLC 442   2022-04-11   

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

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