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   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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