Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-317 A Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-317 0 Rio Grande City TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2010-10-02   
956-317 1 Rio Grande City TX HRLNTXHGYMD  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2011-01-14   
956-317 2 Rio Grande City TX MCALTXHBDS0  4866 SMARTCOM TELEPHONE, LLC 568   2017-01-30   
956-317 3 Rio Grande City TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2010-06-24   
956-317 4 Rio Grande City TX HRLNTXHGFMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2011-04-05   
956-317 5 Rio Grande City TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2011-07-03   
956-317 7 Rio Grande City TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2011-07-03   
956-317 8 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2010-04-09   
956-317 9 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2013-06-21   

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

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