Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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   413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2023-12-09   
325-323 4   318C CEBRIDGE TELECOM TX , L.P. - TX 961   2024-04-12   
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 8 SANGTXXAXOX  515J IP HORIZON LLC 961   2024-01-03   
325-323 9 SANGTXXAXOX  515J IP HORIZON LLC 961   2024-01-03   
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: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.