Local Calling Guide

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

NXX: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-312 A Franklin TX BRYNTX05X0X  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 570      
979-312 0 Franklin TX   073H TELNYX LLC 570   2021-03-18   
979-312 1 Franklin TX   939H COMMIO, LLC 570   2022-10-28   
979-312 2 Franklin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 570   2013-09-20   
979-312 4 Franklin TX   624H ONVOY SPECTRUM, LLC 570   2021-12-04   
979-312 5 Franklin TX   624H ONVOY SPECTRUM, LLC 570   2021-12-04   
979-312 7 Franklin TX   624H ONVOY SPECTRUM, LLC 570   2021-06-22   

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

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