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.

Sonora, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
325-206 A SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961      
325-206 0 SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961      
325-206 1 SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961      
325-206 2 SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961      
325-206 3 SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961      
325-206 4 SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961   2008-11-13   
325-206 5 SANGTXXAXNX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 961   2014-12-11   
325-206 6 SANGTXXATMD  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 961   2017-02-15   
325-206 7 SANGTXXAXHX  508J CENTURYLINK COMMUNICATIONS, LLC 961   2016-08-12   
325-206 8 SANGTX01XGX  327E YMAX COMMUNICATIONS CORP. - TX 961   2011-04-03   
325-206 9 SANGTX01XGX  327E YMAX COMMUNICATIONS CORP. - TX 961   2011-04-03   
325-354 A SANGTXXAXLX  624H ONVOY SPECTRUM, LLC 961   2024-02-09   
325-354 0 SANGTXXAXLX  624H ONVOY SPECTRUM, LLC 961   2024-02-09   
325-354 1   515J IP HORIZON LLC 961   2025-03-07   
325-354 2   515J IP HORIZON LLC 961   2025-03-07   
325-387 A SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 1 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 2 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 3 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 4 SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2005-12-22   
325-387 5 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 6 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 7 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-387 8 SANGTX01X0X  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 961   2005-02-17   
325-387 9 SNRATXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-413 A SANGTXXAX0X  903C ONVOY, LLC - TX 961      
325-413 0 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2017-05-27   
325-413 1 FRDNTXXA0MD  413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2017-10-26   
325-413 2 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2019-05-24   
325-413 3 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-08-14   
325-413 4 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-08-14   
325-413 5 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-08-14   
325-413 6 SANGTXXAQMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 961   2019-09-27   
325-413 7 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-09-13   
325-413 8 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-09-13   
325-413 9 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2020-09-13   
325-530 A SANGTXXA0MD  6529 T-MOBILE USA, INC. 961      
325-530 0 SANGTXXAXJX  073H TELNYX LLC 961   2021-04-09   
325-530 1 SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2021-09-14   
325-530 2   515J IP HORIZON LLC 961   2022-03-06   
325-530 3 SANGTXXA0MD  5562 METROPCS, INC. 961   2021-05-09   
325-530 4 SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2021-09-14   
325-530 5 SANGTXXAX0X  903C ONVOY, LLC - TX 961   2023-08-06   
325-530 6 SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2021-09-14   
325-530 7 SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2021-09-14   
325-530 8 SANHTX320MD  939H COMMIO, LLC 961   2022-11-20   
325-530 9 SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2021-03-14   
325-719 A SANGTXCCCM0  6820 TEXAS COMMUNICATIONS, INC. 961      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.