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: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-563 5 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-563 6 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-563 7 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-563 8 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-563 9 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-564 A Harlingen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-564 0 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2006-09-25   
956-564 1 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-01-30   
956-564 2 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-05-26   
956-564 3 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2008-05-18   
956-564 4 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-08-30   
956-564 5 Harlingen TX   5562 METROPCS, INC. 568   2017-01-06   
956-564 6 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-08-30   
956-564 7 Harlingen TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2016-05-06   
956-564 8 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-08-30   
956-564 9 Harlingen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-565 A Mercedes TX MRCDTXMEDS0  9533 SOUTHWESTERN BELL 568      
956-566 A McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-567 A Edcouch TX MCALTXHBDS0  4866 SMARTCOM TELEPHONE, LLC 568      
956-567 0 Edcouch TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2006-01-21   
956-567 1 Edcouch TX   624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-567 2 Edcouch TX   793K TWC IP ENABLED SERVICES, LLC 568   2011-01-14   
956-567 3 Edcouch TX   4866 SMARTCOM TELEPHONE, LLC 568   2005-07-15   
956-567 4 Edcouch TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2005-10-20   
956-567 5 Edcouch TX   516C AT&T CORP. 568   2012-12-07   
956-567 6 Edcouch TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2015-05-07   
956-567 7 Edcouch TX   145J TERRA NOVA TELECOM INC. 568   2024-11-25   
956-567 8 Edcouch TX   776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-567 9 Edcouch TX   903C ONVOY, LLC - TX 568   2017-05-08   
956-568 A Laredo TX   793K TWC IP ENABLED SERVICES, LLC 566      
956-569 A McAllen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-569 0 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 1 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 2 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 3 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 4 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 5 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 6 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 7 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 8 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-569 9 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 A McAllen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-570 0 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 1 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 2 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 3 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 4 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 5 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 6 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 7 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 8 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-570 9 McAllen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-06-28   
956-571 A Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-571 0 Harlingen TX   4290 STPCS JOINT VENTURE, LLC 568      
956-571 1 Harlingen TX   4290 STPCS JOINT VENTURE, LLC 568      
956-571 2 Harlingen TX   4290 STPCS JOINT VENTURE, LLC 568      
956-571 3 Harlingen TX   4290 STPCS JOINT VENTURE, LLC 568      
956-571 5 Harlingen TX   4290 STPCS JOINT VENTURE, LLC 568      
956-571 6 Harlingen TX   4290 STPCS JOINT VENTURE, LLC 568      
956-571 8 Harlingen TX   5562 METROPCS, INC. 568      
956-572 A Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 0 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 1 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 2 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 3 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 4 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 5 Brownsville TX   5562 METROPCS, INC. 568   2004-03-01   
956-572 6 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-572 7 Brownsville TX   5562 METROPCS, INC. 568   2004-09-04   
956-572 8 Brownsville TX   5562 METROPCS, INC. 568   2004-12-04   
956-572 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2004-12-04   
956-573 A Rio Grande City TX RGCYTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-573 0 Rio Grande City TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-573 1 Rio Grande City TX   5562 METROPCS, INC. 568   2007-10-26   
956-573 2 Rio Grande City TX   5562 METROPCS, INC. 568   2009-06-07   
956-573 3 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-573 4 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-07-02   
956-573 5 Rio Grande City TX   5562 METROPCS, INC. 568   2007-06-04   
956-573 6 Rio Grande City TX   5562 METROPCS, INC. 568   2007-06-04   
956-573 7 Rio Grande City TX   5562 METROPCS, INC. 568   2006-10-31   
956-573 8 Rio Grande City TX   5562 METROPCS, INC. 568   2006-06-08   
956-573 9 Rio Grande City TX   5562 METROPCS, INC. 568   2013-06-21   
956-574 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-574 0 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-574 1 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2019-10-06   
956-574 2 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2019-10-06   
956-574 3 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-574 4 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-01-05   
956-574 5 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-574 6 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-574 7 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-574 8 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-574 9 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-575 A Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-575 0 Mission TX   4290 STPCS JOINT VENTURE, LLC 568   2020-10-16   
956-575 1 Mission TX   4290 STPCS JOINT VENTURE, LLC 568   2020-10-16   
956-575 2 Mission TX   4290 STPCS JOINT VENTURE, LLC 568   2020-10-16   
956-575 3 Mission TX   4290 STPCS JOINT VENTURE, LLC 568   2020-10-16   
956-575 4 Mission TX   4290 STPCS JOINT VENTURE, LLC 568   2020-10-16   
956-575 5 Mission TX   4290 STPCS JOINT VENTURE, LLC 568   2020-10-16   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.