Local Calling Guide

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

NXX: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-438 A Charleston SC   883K AHOI LLC 436   2026-05-21   
854-438 4 Charleston SC   883K AHOI LLC 436   2026-05-21   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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