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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-767 4 Plano TX   8958 XO TEXAS, INC. 552   2005-12-19   
972-767 5 Plano TX   8958 XO TEXAS, INC. 552   2005-12-19   
972-767 6 Plano TX   8958 XO TEXAS, INC. 552   2007-09-19   
972-767 7 Plano TX   327E YMAX COMMUNICATIONS CORP. - TX 552   2007-12-15   
972-767 8 Plano TX   327E YMAX COMMUNICATIONS CORP. - TX 552   2008-05-23   
972-767 9 Plano TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
972-768 A Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
972-769 A Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 0 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 1 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 2 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 3 Plano TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2008-11-29   
972-769 4 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 5 Plano TX   8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552   2007-07-05   
972-769 6 Plano TX   8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552   2007-07-05   
972-769 7 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 8 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-769 9 Plano TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-770 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-771 A Rockwall EACS TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-772 A Rockwall EACS TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-773 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 0 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-773 1 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-773 2 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-773 3 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 4 Dallas TX   8958 XO TEXAS, INC. 552   2011-07-07   
972-773 5 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-773 6 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-773 7 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-773 8 Dallas TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 9 Dallas TX   516C AT&T CORP. 552   2011-05-02   
972-774 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-774 0 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 1 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 2 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 3 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 4 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 5 Dallas TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-08-02   
972-774 6 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 7 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-774 8 Dallas TX   5562 METROPCS, INC. 552   2015-01-28   
972-774 9 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-775 A Midlothian TX MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-775 0 Midlothian TX   5562 METROPCS, INC. 552   2006-01-27   
972-775 1 Midlothian TX   9533 SOUTHWESTERN BELL 552      
972-775 2 Midlothian TX   9533 SOUTHWESTERN BELL 552      
972-775 3 Midlothian TX   9533 SOUTHWESTERN BELL 552      
972-775 4 Midlothian TX   9533 SOUTHWESTERN BELL 552      
972-775 5 Midlothian TX   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 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 >>

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.