Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Big Lake, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
325-323 A SANGTXXAXJX  073H TELNYX LLC 961      
325-323 0 SANGTXXAXJX  073H TELNYX LLC 961   2021-03-13   
325-323 1   515J IP HORIZON LLC 961   2022-03-07   
325-323 2 SANHTX320MD  939H COMMIO, LLC 961   2022-07-15   
325-323 3 FRDNTXXA0MD  413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2023-12-09   
325-323 4   515J IP HORIZON LLC 961   2025-03-07   
325-323 5 SANGTXXAXLX  624H ONVOY SPECTRUM, LLC 961   2024-01-05   
325-323 6 SANGTXXAQMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 961   2021-05-07   
325-323 7   515J IP HORIZON LLC 961   2025-03-07   
325-323 8 SANGTXXAXOX  515J IP HORIZON LLC 961   2024-01-03   
325-323 9 SANGTXXAXOX  515J IP HORIZON LLC 961   2024-01-03   
325-394 A   7421 AT&T - LOCAL 961   2025-10-24   
325-394 9   7421 AT&T - LOCAL 961   2025-10-24   
325-884 A BGLKTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-884 0 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-08-14   
325-884 1 BGLKTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-884 2 BGLKTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-884 3 BGLKTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-884 4 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2017-05-03   
325-884 5 BGLKTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-884 6 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-08-14   
325-884 7 SANGTXXAXHX  508J CENTURYLINK COMMUNICATIONS, LLC 961   2016-07-28   
325-884 8 SANGTXXATMD  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 961   2017-01-16   
325-884 9 BGLKTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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