Local Calling Guide

Area code/prefix search

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

NXX: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-633 A Santa Rosa TX SNRSTX03RS0  776A VTX COMMUNICATIONS, LLC 568      
956-633 0 Santa Rosa TX SNRSTX03RS0  776A VTX COMMUNICATIONS, LLC 568   2011-10-21   
956-633 1 Santa Rosa TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-16   
956-633 2 Santa Rosa TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2017-05-03   
956-633 3 Santa Rosa TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-06-21   
956-633 4 Santa Rosa TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2020-08-24   
956-633 5 Santa Rosa TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2020-08-24   
956-633 7 Santa Rosa TX HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568   2016-03-12   
956-633 8 Santa Rosa TX HRLNTXHG8MD  073H TELNYX LLC 568   2021-04-08   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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