Local Calling Guide

Area code/prefix search

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NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-420 1 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 2 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 3 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 4 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 5 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 6 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 7 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 8 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-420 9 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2022-01-07   
737-427 A McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-427 0 McDade TX AUSTTXUH9MD  073H TELNYX LLC 558   2022-04-22   
737-427 2 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-427 3 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-427 4 McDade TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-26   
737-427 5 McDade TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-26   
737-427 6 McDade TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-02   
737-427 7 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-427 8 McDade TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-427 9 McDade TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2023-12-25   
737-437 A Thorndale-Thrall TX AUSTTXGR57Z  506J TWILIO INTERNATIONAL, INC. 558      
737-437 0 Thorndale-Thrall TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-437 1 Thorndale-Thrall TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-437 2 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-437 3 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-437 4 Thorndale-Thrall TX AUSTTXGR57Z  506J TWILIO INTERNATIONAL, INC. 558   2020-11-01   
737-437 5 Thorndale-Thrall TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-437 6 Thorndale-Thrall TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-06   
737-437 7 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-437 8 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-443 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-443 0 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-08-15   
737-443 1 Austin TX   515J IP HORIZON LLC 558   2016-08-13   
737-443 2 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-443 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-443 4 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-443 5 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-08-14   
737-443 6 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-08-14   
737-443 7 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-08-15   
737-443 8 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2016-09-22   
737-443 9 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2017-09-28   
737-444 A Georgetown TX AUSTTXGRDS3  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558      
737-444 0 Georgetown TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2014-03-27   
737-444 1 Georgetown TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-08-21   
737-444 2 Georgetown TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2014-09-14   
737-444 3 Georgetown TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-09-11   
737-444 4 Georgetown TX AUSTTXGRDS3  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558   2013-07-01   
737-444 5 Georgetown TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-11-07   
737-444 6 Georgetown TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-11-07   
737-444 7 Georgetown TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-11-07   
737-444 8 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-14   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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