Local Calling Guide

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

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-420 A Donna TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-420 0 Donna TX   903C ONVOY, LLC - TX 568   2017-05-19   
956-420 1 Donna TX   793K TWC IP ENABLED SERVICES, LLC 568   2017-09-21   
956-420 2 Donna TX   5562 METROPCS, INC. 568   2018-05-13   
956-420 3 Donna TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-07-08   
956-420 4 Donna TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2018-05-17   
956-420 5 Donna TX   5562 METROPCS, INC. 568   2018-05-13   
956-420 6 Donna TX   903C ONVOY, LLC - TX 568   2019-05-24   
956-420 7 Donna TX   903C ONVOY, LLC - TX 568   2020-08-24   
956-420 8 Donna TX   903C ONVOY, LLC - TX 568   2020-08-24   
956-420 9 Donna TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2020-11-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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