Local Calling Guide

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NPA: 854 [Rate centres in NPA 854] [Dial plan for NPA 854]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-291 A Charleston SC   548E ONVOY, LLC - SC 436   2025-06-07   
854-291 0 Charleston SC   548E ONVOY, LLC - SC 436   2025-06-07   
854-291 1 Charleston SC   321J HD CARRIER LLC 436   2025-08-11   
854-291 2 Charleston SC   548E ONVOY, LLC - SC 436   2025-11-07   
854-291 3 Charleston SC   548E ONVOY, LLC - SC 436   2025-11-07   
854-291 7 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-09-25   
854-291 8 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-09-25   
854-291 9 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-09-25   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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