Local Calling Guide

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

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-257 A Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 0 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-07-25   
956-257 1 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2013-04-18   
956-257 2 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2013-06-14   
956-257 3 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2013-06-14   
956-257 4 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2013-06-14   
956-257 5 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-05   
956-257 6 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-05   
956-257 7 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-05   
956-257 8 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2013-06-14   
956-257 9 Rio Grande City TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-16   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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