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
318-785 A Moreauville LA ALXNLAMAXKX  486      
318-785 6 Moreauville LA   486   2022-02-05   
318-786 9 Bunkie LA   486   2024-03-11   
318-787 2 Alexandria LA   486   2007-10-27   
318-787 5 Alexandria LA   486   2007-03-16   
318-787 6 Alexandria LA   486   2007-03-31   
318-806 A Ringgold LA ALXNLAMAXKX  486      
318-806 4 Ringgold LA   486   2022-04-08   
318-818 3 Newellton LA   486   2024-04-12   
318-819 A Jonesboro LA ALXNLAMAXKX  486      
318-819 2 Jonesboro LA   486   2022-05-15   
318-824 3 Zwolle LA   486   2007-05-17   
318-828 4 Shreveport LA   486   2007-02-01   
318-831 8 St Landry LA   486   2024-03-11   
318-850 2 Plaucheville LA   486   2024-04-15   
318-873 1 St Joseph LA   486   2024-03-15   
318-918 7 Shreveport LA   486   2007-11-19   
318-928 1 Lecompte LA   486   2024-03-11   
318-935 7 Benton LA   486   2009-02-09   
318-935 8 Benton LA   486   2014-03-03   
318-937 2 Glenmora LA   486   2024-03-11   
318-974 3 Bastrop LA   486   2014-03-03   
318-974 4 Bastrop LA   486   2014-03-03   
318-974 6 Bastrop LA   486   2014-03-03   
325-225 8 Clyde TX   550   2019-11-03   
325-227 A San Angelo TX SANGTXXAXDX  961      
325-227 4 San Angelo TX   961   2006-02-09   
325-227 6 San Angelo TX   961   2004-11-01   
325-227 8 San Angelo TX   961   2005-08-09   
325-230 4 Merkel TX   550   2019-10-26   
325-232 A Abilene TX ABLNTXORXKX  550      
325-232 6 Abilene TX   550   2004-10-01   
325-232 7 Abilene TX   550   2005-07-12   
325-232 8 Abilene TX   550   2006-03-01   
325-306 8 Rotan TX   550   2024-03-30   
325-313 8 Baird TX   550   2019-11-04   
325-314 1 Anson TX   550   2024-03-30   
325-316 6 Colorado City TX   550   2022-12-13   
325-359 A Hamlin TX ABLNTXORXKX  550      
325-359 4 Hamlin TX   550   2024-05-04   
325-436 0 Snyder TX   550   2006-07-31   
325-436 6 Snyder TX   550   2005-02-18   
325-515 7 Snyder TX   550   2014-03-20   
325-532 6 Albany TX   550   2024-03-29   
325-617 A San Angelo TX SANGTXXAXDX  961      
325-617 2 San Angelo TX   961   2007-10-25   
325-617 4 San Angelo TX   961   2006-07-31   
325-617 5 San Angelo TX   961   2013-09-01   
325-617 7 San Angelo TX   961   2010-09-18   
325-701 A Abilene TX ABLNTXORXKX  550      

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

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