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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-786 7 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566   2011-08-19   
956-786 8 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566   2011-08-19   
956-786 9 Laredo TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2012-11-09   
956-787 A Pharr TX PHRRTXPHDS0  9533 SOUTHWESTERN BELL 568      
956-788 A San Benito TX HRLNTXATJMD  7421 AT&T - LOCAL 568      
956-788 0 San Benito TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2024-02-29   
956-788 1 San Benito TX MCALTXHBDS0  4866 SMARTCOM TELEPHONE, LLC 568   2005-06-10   
956-788 2 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-01-12   
956-788 3 San Benito TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2024-02-29   
956-788 4 San Benito TX HRLNTXHGBMD  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2005-10-20   
956-788 5 San Benito TX HRLNTXHGBMD  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2013-11-20   
956-788 6 San Benito TX   515J IP HORIZON LLC 568   2025-05-04   
956-788 7 San Benito TX   515J IP HORIZON LLC 568   2025-05-04   
956-788 8 San Benito TX   145J TERRA NOVA TELECOM INC. 568   2022-07-05   
956-788 9 San Benito TX HRLNTXATJMD  7421 AT&T - LOCAL 568      
956-789 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-790 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 0 Laredo TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2007-05-27   
956-790 1 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 2 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 3 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 4 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 5 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 6 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 7 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-790 8 Laredo TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2007-06-19   
956-790 9 Laredo TX SNANTX67X7Y  7399 WESTEL, INC. - TX 566   2006-10-20   
956-791 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-792 A Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 0 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 1 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 2 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 3 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 4 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 5 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 6 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 7 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 8 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-792 9 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 A Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 0 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 1 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 2 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 3 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 4 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 5 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 6 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 7 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 8 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-793 9 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-794 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 0 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-06-14   
956-794 1 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 2 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 3 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 4 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 5 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 6 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 7 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 8 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-794 9 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-795 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-796 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-797 A La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 0 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 1 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 2 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 3 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 4 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 5 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 6 La Feria TX MCALTX930MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2005-03-12   
956-797 7 La Feria TX MCALTX930MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2012-05-12   
956-797 8 La Feria TX LAFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-798 A Weslaco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2025-02-22   
956-798 0 Weslaco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2025-02-22   
956-798 1 Weslaco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2025-02-22   
956-798 2 Weslaco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2025-02-22   
956-798 3 Weslaco TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2025-02-22   
956-799 A Dolores TX DLRSTXXADS0  2090 ALENCO COMMUNICATIONS, INC. 566      
956-800 A McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2025-02-11   
956-800 0 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-09-06   
956-800 1 McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2011-04-23   
956-800 2 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-12-08   
956-800 3 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2013-11-03   
956-800 4 McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2011-01-09   
956-800 5 McAllen TX HRLNTXATYMD  516C AT&T CORP. 568   2011-06-07   
956-800 6 McAllen TX HRLNTXATTMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2013-08-26   
956-800 7 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-11-11   
956-800 8 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-11-11   
956-800 9 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-07-12   
956-801 A Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-801 0 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-01-05   
956-801 1 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-01-05   
956-801 2 Brownsville TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2015-01-15   
956-801 3 Brownsville TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2015-02-20   
956-801 4 Brownsville TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2015-01-13   
956-801 5 Brownsville TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2015-01-13   
956-801 6 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-03-10   
956-801 7 Brownsville TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2015-03-20   
956-801 8 Brownsville TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2015-01-13   

<< 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 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.