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.

Buda, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-295 A BUDATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 0   793K TWC IP ENABLED SERVICES, LLC 558   2010-11-06   
512-295 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 8   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-295 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-361 A AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2025-01-29   
512-361 0   793K TWC IP ENABLED SERVICES, LLC 558   2014-12-22   
512-361 1   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-14   
512-361 2   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-07-23   
512-361 3   793K TWC IP ENABLED SERVICES, LLC 558   2015-09-18   
512-361 4   903C ONVOY, LLC - TX 558   2016-03-03   
512-361 5   903C ONVOY, LLC - TX 558   2016-03-03   
512-361 6   004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-07-22   
512-361 7   903C ONVOY, LLC - TX 558   2014-12-23   
512-361 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-12-15   
512-361 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-12-15   
512-400 A AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-400 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-02-24   
512-400 1   6529 T-MOBILE USA, INC. 558   2016-05-23   
512-400 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-04-16   
512-400 3   903C ONVOY, LLC - TX 558   2012-07-13   
512-400 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-10-11   
512-400 5   6529 T-MOBILE USA, INC. 558   2011-03-31   
512-400 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-08-01   
512-400 7   903C ONVOY, LLC - TX 558   2013-02-20   
512-400 8   6529 T-MOBILE USA, INC. 558   2013-12-18   
512-400 9   6529 T-MOBILE USA, INC. 558   2013-12-18   
737-305 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-305 0   490J DISH WIRELESS, LLC 558   2022-12-23   
737-305 1   6529 T-MOBILE USA, INC. 558   2022-09-22   
737-305 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-09-06   
737-305 3   197D VONAGE AMERICA LLC 558   2023-12-24   
737-305 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2023-10-01   
737-305 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2023-10-01   
737-305 6   624H ONVOY SPECTRUM, LLC 558   2021-12-06   
737-305 7   624H ONVOY SPECTRUM, LLC 558   2021-12-06   
737-305 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-12-05   
737-305 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-12-05   
737-353 A AUSTTXGR52Z  145J TERRA NOVA TELECOM INC. 558      
737-353 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2023-03-05   
737-353 1   903C ONVOY, LLC - TX 558   2025-11-28   
737-353 5   903C ONVOY, LLC - TX 558   2023-10-29   
737-353 6   903C ONVOY, LLC - TX 558   2023-10-29   
737-353 7   903C ONVOY, LLC - TX 558   2023-10-29   
737-353 8   903C ONVOY, LLC - TX 558   2023-10-29   
737-353 9   903C ONVOY, LLC - TX 558   2023-10-29   
737-414 A AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-414 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2017-11-24   
737-414 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2017-11-24   
737-414 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2017-11-24   
737-414 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-12-18   
737-414 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-12-18   
737-414 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-12-18   
737-414 6   903C ONVOY, LLC - TX 558   2017-06-30   
737-414 7   793K TWC IP ENABLED SERVICES, LLC 558   2018-04-22   
737-414 8   073H TELNYX LLC 558   2017-03-22   
737-414 9   6529 T-MOBILE USA, INC. 558   2016-12-17   
737-770 A AUSTTXGR46Z  158H INVOXIO INCORPORATED 558      
737-770 0   158H INVOXIO INCORPORATED 558   2018-08-24   
737-770 1   6529 T-MOBILE USA, INC. 558   2020-02-17   
737-770 2   6529 T-MOBILE USA, INC. 558   2021-06-08   
737-770 3   903C ONVOY, LLC - TX 558   2020-08-15   
737-770 4   903C ONVOY, LLC - TX 558   2020-08-15   
737-770 5   903C ONVOY, LLC - TX 558   2020-08-15   
737-770 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-06-01   
737-770 7   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2019-05-26   
737-770 9   6529 T-MOBILE USA, INC. 558   2018-08-25   
737-877 A AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-877 0   6529 T-MOBILE USA, INC. 558   2021-09-06   
737-877 1   6529 T-MOBILE USA, INC. 558   2021-09-06   
737-877 2   6529 T-MOBILE USA, INC. 558   2021-09-06   
737-877 3   624H ONVOY SPECTRUM, LLC 558   2022-02-13   
737-877 4   6529 T-MOBILE USA, INC. 558   2021-09-06   
737-877 5   6529 T-MOBILE USA, INC. 558   2021-09-06   
737-877 6   516J TON80 COMMUNICATIONS, LLC 558   2021-05-30   
737-877 7   965H FRACTEL, LLC 558   2020-10-31   
737-877 8   624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-877 9   6529 T-MOBILE USA, INC. 558   2021-05-27   
737-999 A AUSTTXGRDS3  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558      
737-999 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-03-22   
737-999 1   6529 T-MOBILE USA, INC. 558   2014-08-01   
737-999 2   6529 T-MOBILE USA, INC. 558   2014-11-09   
737-999 3   6529 T-MOBILE USA, INC. 558   2016-05-23   
737-999 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-04-13   
737-999 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-04-13   
737-999 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2014-05-26   
737-999 7   508J CENTURYLINK COMMUNICATIONS, LLC 558   2013-12-19   
737-999 8   004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-04-25   
737-999 9   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558   2013-07-01   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.