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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-791 1 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 2 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 3 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 4 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 5 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 6 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 7 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 8 Irving EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-07-26   
972-791 9 Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-792 A Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 0 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 1 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 2 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 3 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 4 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 5 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 6 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 7 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-792 8 Dallas TX DLLTTX01DMD  5562 METROPCS, INC. 552   2020-01-07   
972-792 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   
972-793 A Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-793 0 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-04-30   
972-793 1 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-793 2 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2007-07-19   
972-793 3 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2007-07-19   
972-793 4 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2007-07-19   
972-793 5 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-793 6 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-793 7 Irving TX IRNGTX276MD  327E YMAX COMMUNICATIONS CORP. - TX 552   2008-07-03   
972-793 8 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-05-19   
972-793 9 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-794 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-795 A Grand Prairie TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-795 0 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-08-11   
972-795 1 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-22   
972-795 2 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-22   
972-795 3 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-31   
972-795 4 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-31   
972-795 5 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-08-11   
972-795 6 Grand Prairie TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-795 7 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-31   
972-795 8 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-31   
972-795 9 Grand Prairie TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2005-10-31   
972-796 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 0 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 1 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 2 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 3 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 4 Plano TX WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 >>

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.