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: 150C VOICESTREAM GSM I, LLC DBA T-MOBILE USA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
337-504 8 Lafayette LA   488   2009-11-04   
337-504 9 Lafayette LA   488   2009-01-16   
337-508 9 Lake Charles LA   488   2014-11-17   
337-564 9 Lake Charles LA   488   2009-01-10   
337-594 4 Opelousas LA   488   2020-09-11   
337-594 7 Opelousas LA   488   2020-09-11   
337-703 9 Lafayette LA   488   2017-07-07   
337-717 0 Crowley LA   488   2014-11-17   
337-717 5 Crowley LA   488   2020-09-11   
337-735 0 Lafayette LA   488   2015-10-02   
337-784 1 Crowley LA   488   2009-09-11   
337-784 2 Crowley LA   488   2020-09-11   
337-784 3 Crowley LA   488   2020-09-11   
337-784 4 Crowley LA   488   2013-07-12   
337-784 5 Crowley LA   488   2013-07-12   
337-784 6 Crowley LA   488   2013-07-12   
337-784 8 Crowley LA   488   2012-06-29   
337-785 6 Crowley LA   488   2009-09-11   
337-785 7 Crowley LA   488   2016-12-19   
337-806 0 Lafayette LA   488   2014-05-11   
337-806 6 Lafayette LA   488   2014-05-11   
337-909 4 Breaux Bridge LA   488   2014-11-17   
337-909 5 Breaux Bridge LA   488   2014-11-17   
337-909 7 Breaux Bridge LA   488   2015-08-21   
337-909 8 Breaux Bridge LA   488   2015-08-21   
504-208 0 New Orleans LA   490   2005-07-17   
504-208 7 New Orleans LA   490   2005-07-28   
504-223 3 Kenner LA   490   2011-07-20   
504-223 4 Kenner LA   490   2011-07-20   
504-223 6 Kenner LA   490   2015-07-29   
504-230 A Kenner LA NWORLAMTXKX  490   2011-08-12   
504-230 2 Kenner LA   490   2014-08-16   
504-230 9 Kenner LA   490   2011-08-12   
504-261 A New Orleans LA NWORLAMA37Z  490      
504-274 8 New Orleans LA   490   2005-05-27   
504-274 9 New Orleans LA   490   2005-04-02   
504-312 8 New Orleans LA   490   2006-01-05   
504-312 9 New Orleans LA   490   2006-01-05   
504-317 2 Kenner LA   490   2020-05-14   
504-325 0 New Orleans LA   490   2014-12-09   
504-325 1 New Orleans LA   490   2015-08-16   
504-325 3 New Orleans LA   490   2015-08-16   
504-325 4 New Orleans LA   490   2015-08-16   
504-325 6 New Orleans LA   490   2015-08-16   
504-325 7 New Orleans LA   490   2015-08-16   
504-325 8 New Orleans LA   490   2015-08-16   
504-325 9 New Orleans LA   490   2014-12-09   
504-326 A New Orleans LA   490      
504-326 0 New Orleans LA   490   2017-04-29   
504-326 9 New Orleans LA   490   2017-04-29   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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