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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
737-433 7 Bastrop TX   6529 T-MOBILE USA, INC. 558   2026-02-19   
737-433 8 Bastrop TX   6529 T-MOBILE USA, INC. 558   2026-02-19   
737-433 9 Bastrop TX   6529 T-MOBILE USA, INC. 558   2026-02-19   
737-434 A Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 0 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 1 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 2 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 3 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
737-434 4 Austin TX   903C ONVOY, LLC - TX 558   2026-04-11   
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   
737-450 A Lockhart TX   903C ONVOY, LLC - TX 558   2026-02-07   
737-450 0 Lockhart TX   903C ONVOY, LLC - TX 558   2026-02-07   
737-450 1 Lockhart TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-09   
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   
737-477 3 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-477 4 Lockhart TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2024-08-29   
737-477 5 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-22   
737-477 6 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-22   
737-477 7 Lockhart TX AUSTTXGR51Z  965H FRACTEL, LLC 558   2020-09-05   
737-477 8 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-477 9 Lockhart TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-10-09   
737-484 A Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
737-484 0 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-08-31   
737-484 1 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-08-31   
737-484 2 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-09-18   
737-484 3 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2015-08-21   
737-484 4 Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-09-14   
737-484 5 Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-09-14   
737-484 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-09-18   
737-484 7 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-09-18   
737-484 8 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-09-24   
737-484 9 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-09-24   
737-497 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-497 0 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2023-07-09   
737-497 1 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-05-18   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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