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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-221 A Columbia SC CLMASCSN25Z  624H ONVOY SPECTRUM, LLC 434      
839-221 0 Columbia SC   624H ONVOY SPECTRUM, LLC 434   2022-11-28   
839-221 1 Columbia SC   624H ONVOY SPECTRUM, LLC 434   2022-11-28   
839-221 2 Columbia SC   548E ONVOY, LLC - SC 434   2025-04-12   
839-221 3 Columbia SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-05-09   
839-221 4 Columbia SC   548E ONVOY, LLC - SC 434   2025-05-10   
839-221 5 Columbia SC   548E ONVOY, LLC - SC 434   2025-03-09   
839-221 6 Columbia SC   548E ONVOY, LLC - SC 434   2025-05-10   
839-221 7 Columbia SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-07-11   
839-221 8 Columbia SC   145J TERRA NOVA TELECOM INC. 434   2024-09-26   
839-221 9 Columbia SC   624H ONVOY SPECTRUM, LLC 434   2022-11-28   

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

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