Local Calling Guide

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Port Isabel, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
956-299 A HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-299 0   4290 STPCS JOINT VENTURE, LLC 568      
956-299 1   4290 STPCS JOINT VENTURE, LLC 568      
956-299 2   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-16   
956-299 3   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-09-11   
956-299 4   793K TWC IP ENABLED SERVICES, LLC 568   2014-11-27   
956-299 5   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-09-11   
956-299 6   4290 STPCS JOINT VENTURE, LLC 568      
956-299 7   4290 STPCS JOINT VENTURE, LLC 568   2006-12-29   
956-299 8   004F BANDWIDTH.COM CLEC, LLC - TX 568   2011-01-09   
956-299 9   4290 STPCS JOINT VENTURE, LLC 568      
956-426 A HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-426 0   903C ONVOY, LLC - TX 568   2017-05-19   
956-426 1   004F BANDWIDTH.COM CLEC, LLC - TX 568   2017-10-16   
956-426 2   903C ONVOY, LLC - TX 568   2020-08-24   
956-426 3   903C ONVOY, LLC - TX 568   2020-08-24   
956-426 4   4290 STPCS JOINT VENTURE, LLC 568   2020-09-14   
956-426 5   4290 STPCS JOINT VENTURE, LLC 568   2020-09-14   
956-426 6   903C ONVOY, LLC - TX 568   2021-09-06   
956-426 7   903C ONVOY, LLC - TX 568   2021-09-06   
956-426 8   004F BANDWIDTH.COM CLEC, LLC - TX 568   2020-08-13   
956-426 9   793K TWC IP ENABLED SERVICES, LLC 568   2017-09-20   
956-433 A HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-433 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2007-03-05   
956-433 1   4290 STPCS JOINT VENTURE, LLC 568      
956-433 2   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-16   
956-433 3   004F BANDWIDTH.COM CLEC, LLC - TX 568   2009-02-13   
956-433 4   5562 METROPCS, INC. 568   2007-03-01   
956-433 5   793K TWC IP ENABLED SERVICES, LLC 568   2007-03-27   
956-433 6   4290 STPCS JOINT VENTURE, LLC 568      
956-433 7   4290 STPCS JOINT VENTURE, LLC 568      
956-433 8   4290 STPCS JOINT VENTURE, LLC 568      
956-433 9   4290 STPCS JOINT VENTURE, LLC 568      
956-524 A HRLNTXKX8MD  5562 METROPCS, INC. 568      
956-524 0   004F BANDWIDTH.COM CLEC, LLC - TX 568   2017-03-31   
956-524 1   145J TERRA NOVA TELECOM INC. 568   2024-04-23   
956-524 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2014-05-30   
956-524 3   004F BANDWIDTH.COM CLEC, LLC - TX 568   2010-03-07   
956-524 4   004F BANDWIDTH.COM CLEC, LLC - TX 568   2011-03-20   
956-524 5   004F BANDWIDTH.COM CLEC, LLC - TX 568   2011-04-03   
956-524 6   4290 STPCS JOINT VENTURE, LLC 568   2007-06-29   
956-524 7   5562 METROPCS, INC. 568   2007-06-29   
956-524 8   793K TWC IP ENABLED SERVICES, LLC 568   2011-01-14   
956-524 9   7399 WESTEL, INC. - TX 568   2009-12-14   
956-697 A HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-697 0   073H TELNYX LLC 568   2021-03-28   
956-697 1   515J IP HORIZON LLC 568   2022-03-31   
956-697 2   939H COMMIO, LLC 568   2022-12-12   
956-697 3   624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-697 4   624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-697 5   515J IP HORIZON LLC 568   2023-12-28   
956-697 6   624H ONVOY SPECTRUM, LLC 568   2021-06-24   
956-697 7   903C ONVOY, LLC - TX 568   2021-10-16   
956-697 8   903C ONVOY, LLC - TX 568   2021-10-16   
956-697 9   515J IP HORIZON LLC 568   2023-12-28   
956-761 A PTISTXSPRS0  9533 SOUTHWESTERN BELL 568      
956-761 0   9533 SOUTHWESTERN BELL 568      
956-761 1   9533 SOUTHWESTERN BELL 568      
956-761 2   9533 SOUTHWESTERN BELL 568      
956-761 3   9533 SOUTHWESTERN BELL 568      
956-761 4   9533 SOUTHWESTERN BELL 568      
956-761 5   9533 SOUTHWESTERN BELL 568      
956-761 6   9533 SOUTHWESTERN BELL 568      
956-761 7   9533 SOUTHWESTERN BELL 568      
956-761 8   9533 SOUTHWESTERN BELL 568      
956-761 9   515J IP HORIZON LLC 568   2025-05-04   
956-772 A PTISTXSPRS0  9533 SOUTHWESTERN BELL 568      
956-772 0   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2013-04-29   
956-772 1   9533 SOUTHWESTERN BELL 568      
956-772 2   4866 SMARTCOM TELEPHONE, LLC 568   2004-03-17   
956-772 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2007-01-12   
956-772 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2004-05-20   
956-772 5   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2005-10-20   
956-772 7   793K TWC IP ENABLED SERVICES, LLC 568   2016-01-25   
956-772 8   516C AT&T CORP. 568   2012-12-07   
956-772 9   9533 SOUTHWESTERN BELL 568      
956-943 A PTISTXPIRS0  9533 SOUTHWESTERN BELL 568      
956-943 0   9533 SOUTHWESTERN BELL 568      
956-943 1   9533 SOUTHWESTERN BELL 568      
956-943 2   9533 SOUTHWESTERN BELL 568      
956-943 3   9533 SOUTHWESTERN BELL 568      
956-943 4   9533 SOUTHWESTERN BELL 568      
956-943 5   9533 SOUTHWESTERN BELL 568      
956-943 6   9533 SOUTHWESTERN BELL 568      
956-943 7   9533 SOUTHWESTERN BELL 568      
956-943 8   515J IP HORIZON LLC 568   2025-05-04   
956-943 9   004F BANDWIDTH.COM CLEC, LLC - TX 568   2012-11-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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