Local Calling Guide

Area code/prefix search

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Christoval, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
325-255 A CHRTTXXARL0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-255 0   903C ONVOY, LLC - TX 961   2017-05-03   
325-255 1   073H TELNYX LLC 961   2021-03-10   
325-255 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-255 3   903C ONVOY, LLC - TX 961   2018-07-07   
325-255 4   903C ONVOY, LLC - TX 961   2021-03-19   
325-255 5   515J IP HORIZON LLC 961   2022-03-14   
325-255 6   508J CENTURYLINK COMMUNICATIONS, LLC 961   2016-07-28   
325-255 7   515J IP HORIZON LLC 961   2025-03-07   
325-255 8   903C ONVOY, LLC - TX 961   2021-10-22   
325-255 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-896 A CHRTTXXARL0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-896 0   515J IP HORIZON LLC 961   2024-01-03   
325-896 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-896 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-896 3   903C ONVOY, LLC - TX 961   2019-11-03   
325-896 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 961   2004-09-28   
325-896 5   903C ONVOY, LLC - TX 961   2019-11-03   
325-896 6   515J IP HORIZON LLC 961   2025-03-07   
325-896 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-896 8   624H ONVOY SPECTRUM, LLC 961   2024-01-05   
325-896 9   515J IP HORIZON LLC 961   2024-01-03   

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

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