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.

OCN: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
318-321 1 Alexandria LA   486   2012-06-11   
318-390 2 Haughton LA   486   2007-01-10   
318-395 1 Jonesboro LA   486   2022-04-10   
318-431 1 Many LA   486   2014-03-03   
318-459 6 Shreveport LA   486   2005-11-17   
318-459 7 Shreveport LA   486   2005-07-12   
318-499 3 Mer Rouge LA   486   2014-03-03   
318-515 A Mer Rouge LA ALXNLAMAXKX  486      
318-515 4 Mer Rouge LA   486   2009-02-09   
318-521 6 Natchitoches LA   486   2014-03-03   
318-521 7 Natchitoches LA   486   2014-03-03   
318-521 8 Natchitoches LA   486   2014-03-03   
318-526 A Pollock LA ALXNLAMAXKX  486      
318-526 4 Pollock LA   486   2007-03-16   
318-528 8 Alexandria LA   486   2010-03-26   
318-550 5 Shreveport LA   486   2006-08-09   
318-563 2 Marksville LA   486   2024-03-11   
318-579 2 Arcadia LA   486   2019-10-24   
318-584 6 Shreveport LA   486   2014-04-19   
318-584 7 Shreveport LA   486   2014-04-19   
318-588 3 Shreveport LA   486   2014-04-19   
318-588 4 Shreveport LA   486   2014-04-19   
318-588 5 Shreveport LA   486   2014-04-19   
318-596 3 Grambling LA   486   2007-03-16   
318-602 2 Many LA   486   2007-05-17   
318-604 8 Cottonport LA   486   2024-04-15   
318-606 3 Shreveport LA   486   2014-04-19   
318-612 A Boyce LA ALXNLAMAXKX  486      
318-612 3 Boyce LA   486   2014-04-07   
318-615 4 Haughton LA   486   2014-03-03   
318-615 5 Haughton LA   486   2014-03-03   
318-615 6 Haughton LA   486   2014-07-03   
318-639 9 Minden LA   486   2014-03-03   
318-645 1 Zwolle LA   486   2014-03-03   
318-658 9 Shreveport LA   486   2007-11-07   
318-695 A Choudrant LA ALXNLAMAXKX  486      
318-695 6 Choudrant LA   486   2019-11-23   
318-704 A Alexandria LA ALXNLAMAXKX  486      
318-704 0 Alexandria LA   486   2014-08-11   
318-704 1 Alexandria LA   486   2014-01-13   
318-704 2 Alexandria LA   486   2014-01-13   
318-704 3 Alexandria LA   486   2014-01-13   
318-704 4 Alexandria LA   486   2014-01-13   
318-704 5 Alexandria LA   486   2014-01-13   
318-704 6 Alexandria LA   486   2014-01-13   
318-709 5 Alexandria LA   486   2009-03-17   
318-739 1 Mansura LA   486   2024-04-15   
318-743 2 Doyline LA   486   2022-03-17   
318-769 1 Alexandria LA   486   2008-08-28   
318-783 3 Bordelonville LA   486   2024-04-15   

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

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