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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-470 1 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 2 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 3 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 4 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 5 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 6 Dallas TX   624H ONVOY SPECTRUM, LLC 552   2021-05-22   
972-470 7 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 8 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-470 9 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-471 A Lewisville EMS TX LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 0 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 1 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 2 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 3 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 4 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 5 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 6 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 7 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 8 Lewisville EMS TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 9 Lewisville EMS TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-10-16   
972-472 A Crandall TX DLLSTXSEDS0  9533 SOUTHWESTERN BELL 552      
972-472 0 Crandall TX   903C ONVOY, LLC - TX 552   2012-12-14   
972-472 1 Crandall TX   903C ONVOY, LLC - TX 552   2012-12-14   
972-472 2 Crandall TX   903C ONVOY, LLC - TX 552   2020-09-18   
972-472 3 Crandall TX   9533 SOUTHWESTERN BELL 552      
972-472 4 Crandall TX   903C ONVOY, LLC - TX 552   2012-12-14   
972-472 5 Crandall TX   516C AT&T CORP. 552   2010-11-29   
972-472 6 Crandall TX   508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-14   
972-472 7 Crandall TX   903C ONVOY, LLC - TX 552   2011-11-26   
972-472 8 Crandall TX   073H TELNYX LLC 552   2017-06-19   
972-472 9 Crandall TX   9533 SOUTHWESTERN BELL 552      
972-473 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-474 A Combine TX DLLSTXSEDS0  9533 SOUTHWESTERN BELL 552      
972-474 0 Combine TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-474 1 Combine TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-474 2 Combine TX   9533 SOUTHWESTERN BELL 552      
972-474 3 Combine TX   903C ONVOY, LLC - TX 552   2012-10-25   
972-474 4 Combine TX   903C ONVOY, LLC - TX 552   2010-11-08   
972-474 5 Combine TX   516C AT&T CORP. 552   2010-11-29   
972-474 6 Combine TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-474 7 Combine TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-03-20   
972-474 8 Combine TX   903C ONVOY, LLC - TX 552   2011-09-18   
972-474 9 Combine TX   903C ONVOY, LLC - TX 552   2016-04-07   
972-475 A Plano TX RWLTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-476 A Combine EMS TX DLLSTXSEDS0  9533 SOUTHWESTERN BELL 552      
972-476 0 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 1 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 2 Combine EMS TX   903C ONVOY, LLC - TX 552   2016-04-07   
972-476 3 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 4 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 5 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 6 Combine EMS TX   9533 SOUTHWESTERN BELL 552      
972-476 7 Combine EMS TX   903C ONVOY, LLC - TX 552   2008-08-02   
972-476 8 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 9 Combine EMS TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-477 A Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-477 1 Plano TX   6529 T-MOBILE USA, INC. 552   2025-05-16   
972-477 2 Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-477 3 Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-477 4 Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-477 5 Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-477 6 Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-477 7 Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-477 8 Plano TX   732J NUSO, LLC 552   2025-05-09   
972-477 9 Plano TX   732J NUSO, LLC 552   2025-05-09   
972-478 A Carrollton TX CRTNTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 0 Carrollton TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-10-07   
972-478 1 Carrollton TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-24   
972-478 2 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 3 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 4 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 5 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 6 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 7 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 8 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-478 9 Carrollton TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-479 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-479 0 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 1 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 2 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 3 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 4 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 5 Dallas TX   903C ONVOY, LLC - TX 552   2011-07-11   
972-479 6 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 7 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 8 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-479 9 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-480 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-480 0 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-480 1 Dallas TX   5562 METROPCS, INC. 552   2007-07-22   
972-480 2 Dallas TX   5562 METROPCS, INC. 552   2007-07-22   
972-480 3 Dallas TX   903C ONVOY, LLC - TX 552   2008-04-20   
972-480 4 Dallas TX   5562 METROPCS, INC. 552   2007-07-22   
972-480 5 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-480 6 Dallas TX   903C ONVOY, LLC - TX 552   2008-04-20   
972-480 7 Dallas TX   5562 METROPCS, INC. 552   2007-07-22   
972-480 8 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-480 9 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-481 A Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-481 0 Dallas TX   5562 METROPCS, INC. 552   2010-03-01   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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