Local Calling Guide

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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
956-637 2 Rio Hondo TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2021-08-28   
956-637 3 Rio Hondo TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2021-08-28   
956-637 4 Rio Hondo TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-637 5 Rio Hondo TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-637 6 Rio Hondo TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2021-06-24   
956-637 7 Rio Hondo TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2021-09-30   
956-637 8 Rio Hondo TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2021-09-30   
956-637 9 Rio Hondo TX HRLNTXATZMD  7421 AT&T - LOCAL 568   2021-06-17   
956-638 A McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-639 A Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-640 A Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-640 0 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-640 1 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-01-28   
956-640 2 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-02-19   
956-640 3 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-02-19   
956-640 4 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-02-19   
956-640 5 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-02-19   
956-640 6 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-05-22   
956-640 7 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-05-22   
956-640 8 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-05-22   
956-640 9 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-05-22   
956-641 A Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-641 0 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-24   
956-641 1 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-24   
956-641 2 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-09-29   
956-641 3 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-24   
956-641 4 Brownsville TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2015-07-17   
956-641 5 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-09   
956-641 6 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-09   
956-641 7 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-09   
956-641 8 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-09   
956-641 9 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-07-09   
956-642 A Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 0 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 1 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 2 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 3 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 4 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 5 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 6 Lasara TX RMVLTXXB6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-642 7 Lasara TX RMVLTXXB6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-642 8 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-642 9 Lasara TX LASRTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-643 A Brownsville TX MCALTX937MD  478J NUSO, LLC 568      
956-643 0 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2022-02-13   
956-643 1 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2022-02-13   
956-643 2 Brownsville TX MCALTX937MD  478J NUSO, LLC 568   2021-11-29   
956-643 3 Brownsville TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2022-03-11   
956-643 4 Brownsville TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2022-03-11   
956-643 5 Brownsville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2022-02-13   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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