Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 803 [Rate centres in NPA 803] [Dial plan for NPA 803]

NXX: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-512 A Oakland SC   793K TWC IP ENABLED SERVICES, LLC 434   2025-03-11   
803-512 0 Oakland SC   793K TWC IP ENABLED SERVICES, LLC 434      
803-512 1 Oakland SC   145J TERRA NOVA TELECOM INC. 434   2025-08-31   
803-512 5 Oakland SC NSMTSCXB2MD  527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434   2017-11-02   
803-512 6 Oakland SC CLMASCSNX1Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 434   2020-12-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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