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.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-777 0 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 1 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 2 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 3 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 4 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 5 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 6 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-777 7 Dallas TX DLLSTX3769Z  473F USFON, INC. - TX 552   2020-01-16   
972-777 8 Dallas TX DLLSTX3769Z  473F USFON, INC. - TX 552   2020-01-16   
972-777 9 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-17   
972-778 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-779 A Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 0 Cedar Hill EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-05-24   
972-779 1 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 2 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 3 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 4 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 5 Cedar Hill EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-04-29   
972-779 6 Cedar Hill EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-09-18   
972-779 7 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 8 Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 9 Cedar Hill EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-09-18   
972-780 A Dallas TX DLLSTXDVDS0  9533 SOUTHWESTERN BELL 552      
972-781 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 0 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 1 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 2 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 3 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 4 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 5 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 6 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 7 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-781 8 Plano TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-22   
972-781 9 Plano TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2009-07-23   
972-782 A Farmersville TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-782 0 Farmersville TX DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2010-12-23   
972-782 1 Farmersville TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-782 2 Farmersville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-11-27   
972-782 3 Farmersville TX DLLATX37YMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552   2010-11-12   
972-782 4 Farmersville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-04-09   
972-782 5 Farmersville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-05-18   
972-782 6 Farmersville TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-782 7 Farmersville TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-782 8 Farmersville TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-782 9 Farmersville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-06-24   
972-783 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 3 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 5 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-01-18   
972-783 7 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 8 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-783 9 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-784 A Farmersville EMS TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-784 0 Farmersville EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-02-19   
972-784 1 Farmersville EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-04-29   
972-784 2 Farmersville EMS TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-784 3 Farmersville EMS TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-11-29   
972-784 4 Farmersville EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-05-14   
972-784 5 Farmersville EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-08-02   
972-784 6 Farmersville EMS TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-784 7 Farmersville EMS TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-784 8 Farmersville EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-09-18   
972-784 9 Farmersville EMS TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2012-08-14   
972-785 A Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 0 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 1 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 2 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 3 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 4 Irving TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-785 5 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 6 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 7 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2007-03-19   
972-785 8 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 9 Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-786 A Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 0 Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 1 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-03-26   
972-786 2 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2005-06-01   
972-786 3 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2004-11-19   
972-786 4 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2004-11-19   
972-786 5 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2004-11-19   
972-786 6 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2004-10-04   
972-786 7 Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 8 Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 9 Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-787 A Prosper EMS TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-787 0 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 1 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 2 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 3 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 4 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 5 Prosper EMS TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2011-08-15   
972-787 6 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 7 Prosper EMS TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-09-20   
972-787 8 Prosper EMS TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2010-10-15   
972-787 9 Prosper EMS TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2010-10-15   
972-788 A Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.