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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-543 5 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-02-14   
956-543 6 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2006-11-04   
956-543 7 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-02-14   
956-543 8 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-02-14   
956-543 9 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2006-11-04   
956-544 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-545 A Brownsville TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2025-02-11   
956-545 0 Brownsville TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2011-04-23   
956-545 1 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-25   
956-545 2 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-25   
956-545 3 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-11-29   
956-545 4 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2005-03-05   
956-545 5 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-11-29   
956-545 6 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-11-29   
956-545 7 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-04-29   
956-545 8 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-04-12   
956-545 9 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2004-03-15   
956-546 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 0 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2010-01-23   
956-547 1 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 2 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 3 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 4 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 5 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 6 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 7 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 8 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-547 9 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-548 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-549 A Stillman TX HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-549 7 Stillman TX HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568   2016-04-14   
956-550 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 0 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 1 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 2 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 3 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 4 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 5 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2019-10-06   
956-550 6 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 7 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 8 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-550 9 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-551 A Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 0 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 1 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 2 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 3 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 4 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 5 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 6 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 7 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 8 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2014-12-01   
956-551 9 Brownsville TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-552 A Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
956-552 0 Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-09-04   
956-552 1 Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-09-04   
956-552 2 Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-09-04   
956-552 3 Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-09-04   
956-552 4 Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-11-22   
956-552 5 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-12-03   
956-552 6 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-12-03   
956-552 7 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-12-03   
956-552 8 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-12-03   
956-552 9 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2020-12-03   
956-553 A Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568      
956-553 0 Harlingen TX   903C ONVOY, LLC - TX 568   2025-02-02   
956-553 2 Harlingen TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2020-11-14   
956-553 3 Harlingen TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2020-11-14   
956-553 4 Harlingen TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2020-11-14   
956-553 5 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2020-07-07   
956-553 6 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2020-07-07   
956-553 7 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2020-07-07   
956-553 9 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2020-07-07   
956-554 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 0 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 1 Brownsville TX HRLNTXHGFMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2005-05-30   
956-554 2 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 3 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 4 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 5 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 6 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 7 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-554 8 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-02-11   
956-554 9 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-556 A Los Fresnos TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-556 0 Los Fresnos TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-10-03   
956-556 1 Los Fresnos TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2020-10-03   
956-556 2 Los Fresnos TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2021-02-03   
956-556 3 Los Fresnos TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2021-02-03   
956-556 4 Los Fresnos TX HRLNTXHG8MD  073H TELNYX LLC 568   2021-03-21   
956-556 5 Los Fresnos TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2021-06-01   
956-556 6 Los Fresnos TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2022-04-07   
956-556 7 Los Fresnos TX   515J IP HORIZON LLC 568   2022-03-31   
956-556 8 Los Fresnos TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2021-09-23   
956-556 9 Los Fresnos TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2021-06-24   
956-557 A McCook TX HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-557 5 McCook TX   145J TERRA NOVA TELECOM INC. 568   2025-08-15   
956-557 7 McCook TX HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568   2016-07-09   
956-558 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      

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Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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