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
956-529 6 Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-12-19   
956-529 7 Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-12-19   
956-529 8 Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-12-19   
956-529 9 Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-08-23   
956-530 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-530 0 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-02-08   
956-530 1 McAllen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-04   
956-530 2 McAllen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-04   
956-530 3 McAllen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-04   
956-530 4 McAllen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-05-04   
956-530 5 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-07-10   
956-530 6 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-07-10   
956-530 7 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2015-07-17   
956-530 8 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-07-10   
956-530 9 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2015-02-08   
956-531 A Laredo TX SNANTXEW0MD  829J PAETEC ITEL, LLC 566   2025-01-23   
956-531 0 Laredo TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-531 1 Laredo TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-531 2 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-08-13   
956-531 3 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-08-13   
956-531 4 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-08-13   
956-531 5 Laredo TX SNANTXEW0MD  829J PAETEC ITEL, LLC 566   2020-06-04   
956-531 6 Laredo TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2020-08-10   
956-531 7 Laredo TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-531 8 Laredo TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-531 9 Laredo TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-532 A Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 0 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 1 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 2 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 3 Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-06-06   
956-532 4 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 5 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 6 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 7 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 8 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 9 Weslaco TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-533 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-534 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 A Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 0 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 1 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 2 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 3 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 4 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-535 6 Harlingen TX   145J TERRA NOVA TELECOM INC. 568   2023-08-06   
956-535 8 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-536 A Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-537 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-537 0 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-08-28   
956-537 1 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-08-28   
956-537 2 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-08-28   
956-537 3 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-08-28   
956-537 4 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-08-28   
956-537 5 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-08-28   
956-537 6 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-05-25   
956-537 7 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-05-25   
956-537 8 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-05-25   
956-537 9 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-05-25   
956-538 A Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-538 0 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-09-09   
956-538 1 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-09-02   
956-538 2 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-09-02   
956-538 3 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-09-02   
956-538 4 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-09-02   
956-538 5 Brownsville TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2024-11-26   
956-538 6 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-03-14   
956-538 7 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-03-14   
956-538 8 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-03-14   
956-538 9 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2020-07-11   
956-539 A Laredo TX SNANTXDIX4X  197D VONAGE AMERICA LLC 566      
956-539 0 Laredo TX SNANTXDIX4X  197D VONAGE AMERICA LLC 566   2018-12-30   
956-539 1 Laredo TX SNANTXDIX4X  197D VONAGE AMERICA LLC 566   2018-12-30   
956-539 2 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2018-12-31   
956-539 3 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2018-12-31   
956-539 4 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2018-12-31   
956-539 5 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2018-12-31   
956-539 6 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2018-12-31   
956-539 7 Laredo TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2018-12-31   
956-539 8 Laredo TX SNANTXCAHMD  073H TELNYX LLC 566   2019-01-07   
956-539 9 Laredo TX SNANTX91X7Y  4290 STPCS JOINT VENTURE, LLC 566   2019-02-03   
956-540 A McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-540 0 McAllen TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2017-03-03   
956-540 1 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2017-12-07   
956-540 2 McAllen TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-15   
956-540 3 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2017-12-07   
956-540 4 McAllen TX MCALTX936MD  197D VONAGE AMERICA LLC 568   2018-12-01   
956-540 5 McAllen TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-04-27   
956-540 6 McAllen TX HRLNTXHGFMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2017-06-15   
956-540 7 McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2017-08-31   
956-540 8 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2016-06-04   
956-540 9 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2016-06-04   
956-541 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-542 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-543 A Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-543 0 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-07-06   
956-543 1 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2006-11-04   
956-543 2 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-07-06   
956-543 3 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-07-06   
956-543 4 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-07-06   

<< 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: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.