Local Calling Guide

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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
737-423 4 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-03   
737-423 5 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-03   
737-423 6 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-03   
737-423 7 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-23   
737-423 8 Austin TX   903C ONVOY, LLC - TX 558   2025-10-18   
737-423 9 Austin TX   903C ONVOY, LLC - TX 558   2025-10-18   
737-424 A Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-04   
737-424 0 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 1 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 2 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 3 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-01   
737-424 4 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-01   
737-424 5 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-10   
737-424 6 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 7 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-10   
737-424 8 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-11   
737-424 9 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-04   
737-425 A Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-10-24   
737-425 0 Georgetown TX   903C ONVOY, LLC - TX 558   2025-10-27   
737-425 9 Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-10-24   
737-426 A Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-15   
737-426 8 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-15   
737-426 9 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-15   
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 AUSTTXGR03Z  903C ONVOY, LLC - TX 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 AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2025-01-23   
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 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 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 AUSWTXGXBMD  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   
737-444 9 Georgetown TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2014-03-27   
737-465 A Austin TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-465 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-31   
737-465 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-31   
737-465 2 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-31   
737-465 3 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-31   
737-465 4 Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2019-08-23   
737-465 5 Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2019-08-23   
737-465 6 Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2019-08-23   
737-465 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-31   
737-465 8 Austin TX   965H FRACTEL, LLC 558   2019-07-17   
737-465 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-08-31   
737-471 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
737-471 0 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 1 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 2 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 3 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 4 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 5 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 6 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 7 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558   2018-04-21   
737-471 8 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558   2018-04-21   
737-471 9 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-07-15   
737-473 A San Gabriel TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-473 0 San Gabriel TX AUSTTXUH9MD  073H TELNYX LLC 558   2022-06-06   
737-473 1 San Gabriel TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-473 2 San Gabriel TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-473 3 San Gabriel TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-473 4 San Gabriel TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-473 6 San Gabriel TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-17   
737-473 7 San Gabriel TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-26   
737-473 8 San Gabriel TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-26   
737-477 A Lockhart TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-477 0 Lockhart TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-09-25   
737-477 1 Lockhart TX AUSTTXGR42Z  073H TELNYX LLC 558   2021-06-03   
737-477 2 Lockhart TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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