Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Dale/Lytton Springs, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-546 A AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 0   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 1   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 2   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 3   004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-11-28   
512-546 4   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 5   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 6   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2016-03-31   
512-546 7   004F BANDWIDTH.COM CLEC, LLC - TX 558   2012-06-16   
512-546 8   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-546 9   139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-559 A LYSPTXXARS1  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-559 0   2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-559 1   903C ONVOY, LLC - TX 558   2020-09-18   
512-559 2   2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-559 3   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-12-19   
512-559 4   004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-05-30   
512-559 5   793K TWC IP ENABLED SERVICES, LLC 558   2006-12-06   
512-559 6   903C ONVOY, LLC - TX 558   2020-03-23   
512-559 7   903C ONVOY, LLC - TX 558   2013-02-20   
512-559 8   903C ONVOY, LLC - TX 558   2020-03-23   
512-559 9   158H INVOXIO INCORPORATED 558   2018-07-30   
512-764 A DALETXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-764 0   903C ONVOY, LLC - TX 558   2020-12-14   
512-764 1   903C ONVOY, LLC - TX 558   2020-12-14   
512-764 2   2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-764 3   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-11-19   
512-764 4   624H ONVOY SPECTRUM, LLC 558   2024-10-15   
512-764 5   903C ONVOY, LLC - TX 558   2020-08-15   
512-764 6   073H TELNYX LLC 558   2018-10-19   
512-764 7   624H ONVOY SPECTRUM, LLC 558   2021-11-11   
512-764 8   139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-764 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2016-11-25   
737-282 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-282 0   073H TELNYX LLC 558   2021-07-15   
737-282 1   624H ONVOY SPECTRUM, LLC 558   2022-01-03   
737-282 2   903C ONVOY, LLC - TX 558   2021-03-07   
737-282 3   903C ONVOY, LLC - TX 558   2021-03-07   
737-282 4   903C ONVOY, LLC - TX 558   2021-08-15   
737-282 5   903C ONVOY, LLC - TX 558   2021-10-25   
737-282 6   516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-282 7   903C ONVOY, LLC - TX 558   2021-09-23   
737-282 8   624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-282 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2021-03-28   
737-331 A AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-331 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2022-11-04   
737-331 1   903C ONVOY, LLC - TX 558   2022-12-21   
737-331 8   073H TELNYX LLC 558   2023-10-15   

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

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