Local Calling Guide

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Seadrift, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
361-785 A SDRTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-785 1   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 564   2021-02-22   
361-785 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-785 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-785 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-785 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-785 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-785 7   903C ONVOY, LLC - TX 564   2021-04-04   
361-785 8   508J CENTURYLINK COMMUNICATIONS, LLC 564   2016-05-22   
361-787 A PTLVTXXAPMD  793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-787 3   624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-787 4   793K TWC IP ENABLED SERVICES, LLC 564   2021-04-26   
361-787 7   903C ONVOY, LLC - TX 564   2021-07-24   
361-787 8   145J TERRA NOVA TELECOM INC. 564   2025-08-17   

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

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