Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 854 [Rate centres in NPA 854] [Dial plan for NPA 854]

NXX: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-308 A Summerville SC   548E ONVOY, LLC - SC 436   2026-09-14   
854-308 0 Summerville SC   548E ONVOY, LLC - SC 436   2026-09-14   
854-308 1 Summerville SC   548E ONVOY, LLC - SC 436   2026-09-14   
854-308 2 Summerville SC   548E ONVOY, LLC - SC 436   2026-09-14   
854-308 3 Summerville SC   548E ONVOY, LLC - SC 436   2026-09-15   
854-308 7 Summerville SC   824J OPENTACT INC. 436   2026-09-15   
854-308 8 Summerville SC   883K AHOI LLC 436   2026-10-29   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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