Local Calling Guide

Area code/prefix search

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NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-401 A Bay City TX BYCYTXBYDS0  9533 SOUTHWESTERN BELL 560      
979-401 0 Bay City TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-03-25   
979-401 1 Bay City TX BYCYTXBYDS0  9533 SOUTHWESTERN BELL 560   2015-10-23   
979-401 2 Bay City TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-03-25   
979-401 3 Bay City TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-09-29   
979-401 4 Bay City TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2017-11-05   
979-401 5 Bay City TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2020-05-09   
979-401 6 Bay City TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
979-401 7 Bay City TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-12-17   
979-401 8 Bay City TX HSTNTXJAX3Y  073H TELNYX LLC 560   2017-06-13   
979-401 9 Bay City TX   515J IP HORIZON LLC 560   2017-12-15   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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