Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 843 [Rate centres in NPA 843] [Dial plan for NPA 843]

NXX: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-643 A West Andrews SC   793K TWC IP ENABLED SERVICES, LLC 432      
843-643 0 West Andrews SC   793K TWC IP ENABLED SERVICES, LLC 432      
843-643 5 West Andrews SC NKGSSCXA0MD  527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 432   2017-10-31   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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