Local Calling Guide

Area code/prefix search

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

NXX: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-476 A Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-476 0 Rio Grande City TX MCALTX935MD  073H TELNYX LLC 568   2022-04-30   
956-476 1 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2021-05-17   
956-476 2 Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2019-09-22   
956-476 3 Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2019-09-22   
956-476 4 Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2020-08-24   
956-476 5 Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2020-08-24   
956-476 6 Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2020-08-24   
956-476 7 Rio Grande City TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2023-08-12   
956-476 8 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2021-05-17   
956-476 9 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2021-05-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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