Local Calling Guide

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Sulphur, LA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
337-215 A LKCHLADTXDX  5562 METROPCS, INC. 488      
337-215 0   5562 METROPCS, INC. 488      
337-215 1   5562 METROPCS, INC. 488      
337-215 2   5562 METROPCS, INC. 488      
337-215 3   5562 METROPCS, INC. 488      
337-215 4   5562 METROPCS, INC. 488      
337-215 5   150C VOICESTREAM GSM I, LLC 488   2024-08-15   
337-215 6   150C VOICESTREAM GSM I, LLC 488   2024-08-15   
337-215 8   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2024-06-29   
337-215 9   145J TERRA NOVA TELECOM INC. 488   2024-05-10   
337-287 A SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-287 0   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-287 1   145J TERRA NOVA TELECOM INC. 488   2022-08-17   
337-287 2   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2008-06-13   
337-287 3   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2008-06-13   
337-287 4   260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488   2007-03-16   
337-287 5   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2009-11-06   
337-287 6   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2008-12-19   
337-287 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-08-30   
337-287 8   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2009-09-06   
337-287 9   153F BANDWIDTH.COM CLEC, LLC - LA 488   2008-12-18   
337-313 A LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-313 0   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2007-03-19   
337-313 1   7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2006-04-30   
337-313 2   153F BANDWIDTH.COM CLEC, LLC - LA 488   2015-06-20   
337-313 3   260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488   2010-03-27   
337-313 4   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-313 5   653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488   2009-04-06   
337-313 6   829J PAETEC ITEL, LLC 488   2004-02-01   
337-313 7   829J PAETEC ITEL, LLC 488   2004-02-01   
337-313 8   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2010-03-28   
337-313 9   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2010-01-07   
337-476 A SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-476 0   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2010-05-21   
337-476 1   153F BANDWIDTH.COM CLEC, LLC - LA 488   2010-07-09   
337-476 2   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2011-09-02   
337-476 3   8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 488   2010-08-16   
337-476 4   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2011-11-14   
337-476 5   516C AT&T CORP. 488   2011-05-11   
337-476 6   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2011-07-16   
337-476 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-01-26   
337-476 8   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2010-11-01   
337-476 9   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2011-02-20   
337-503 A LFYTLAMAXRZ  829J PAETEC ITEL, LLC 488   2024-12-11   
337-527 A SLPHLAMARS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-528 A SLPHLAMARS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-533 A LKCHLAMWRS5  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-607 A LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-607 0   749E ONVOY, LLC - LA 488   2016-03-21   
337-607 1   749E ONVOY, LLC - LA 488   2016-03-21   

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

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