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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-204 A Fairfax SC CLMASCSAX0Y  318J COMCAST IP PHONE, LLC 434      
839-204 0 Fairfax SC   624H ONVOY SPECTRUM, LLC 434   2023-05-19   
839-204 1 Fairfax SC   318J COMCAST IP PHONE, LLC 434   2021-07-14   
839-204 2 Fairfax SC   793K TWC IP ENABLED SERVICES, LLC 434   2022-11-27   
839-204 3 Fairfax SC   548E ONVOY, LLC - SC 434   2022-12-18   
839-204 4 Fairfax SC   490J DISH WIRELESS, LLC 434   2025-07-24   
839-204 5 Fairfax SC   490J DISH WIRELESS, LLC 434   2025-03-09   
839-204 6 Fairfax SC   635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 434   2022-01-10   
839-204 7 Fairfax SC   548E ONVOY, LLC - SC 434   2023-03-19   
839-204 9 Fairfax SC   548E ONVOY, LLC - SC 434   2023-08-25   

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

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