Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Columbia, SC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
803-467 3 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-467 4 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-467 5 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-467 6 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-467 7 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-467 8 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-467 9 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-470 A CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434      
803-470 0 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2013-08-23   
803-470 1 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2014-04-06   
803-470 2 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2014-04-06   
803-470 3 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2014-04-06   
803-470 4 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2014-04-06   
803-470 5 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2014-04-06   
803-470 6 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2014-04-06   
803-470 7 CLMASCRJDS2  1784 SOUTH CAROLINA NET, INC. - SC 434   2015-05-02   
803-470 8 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2014-09-01   
803-470 9 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2014-09-01   
803-476 A CLMASCSNX1Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 434      
803-476 0 CLMASCSNX1Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 434      
803-476 1 CLMASCSNX1Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 434      
803-476 2 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-12-07   
803-476 3 CLMASCDF78E  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434   2006-08-28   
803-476 4 CLMASCDF78E  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434   2006-08-28   
803-476 5 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-05-01   
803-476 6 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-12-07   
803-476 7 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-12-07   
803-476 8 CLMASCDF78E  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434   2006-08-28   
803-476 9 CLMASCSNX1Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 434      
803-477 A CLMASCTLDS1  7421 AT&T - LOCAL 434      
803-477 0 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2007-02-15   
803-477 1 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-03-31   
803-477 2 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2007-02-15   
803-477 3 CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-08-24   
803-477 4 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-03-31   
803-477 5 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2006-03-31   
803-477 6 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2004-02-04   
803-477 7 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2004-02-04   
803-477 8 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2004-02-04   
803-477 9 CLMASCTLDS1  7421 AT&T - LOCAL 434      
803-479 A CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 0 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 1 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 2 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 3 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 4 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 5 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 6 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 7 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 8 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.