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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-678 A Columbia SC CLMASCSNXBY  829J PAETEC ITEL, LLC 434   2025-02-18   
803-678 0 Columbia SC   829J PAETEC ITEL, LLC 434   2007-10-15   
803-678 1 Columbia SC   829J PAETEC ITEL, LLC 434   2007-10-15   
803-678 2 Columbia SC   829J PAETEC ITEL, LLC 434   2007-10-18   
803-678 3 Columbia SC   829J PAETEC ITEL, LLC 434   2007-10-18   
803-678 4 Columbia SC   829J PAETEC ITEL, LLC 434   2008-03-30   
803-678 5 Columbia SC   829J PAETEC ITEL, LLC 434   2007-10-15   
803-678 6 Columbia SC   829J PAETEC ITEL, LLC 434   2007-10-15   
803-678 7 Columbia SC   8645 SUNCOM DBA T-MOBILE USA 434   2008-04-27   
803-678 8 Columbia SC   8645 SUNCOM DBA T-MOBILE USA 434   2008-04-27   
803-678 9 Columbia SC   548E ONVOY, LLC - SC 434   2009-08-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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