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.

Austin, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
737-471 0 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 1 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 2 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 3 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 4 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 5 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 6 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-26   
737-471 7 AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558   2018-04-21   
737-471 8 AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558   2018-04-21   
737-471 9 AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-07-15   
737-484 A AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
737-484 0 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-08-31   
737-484 1 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-08-31   
737-484 2 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-09-18   
737-484 3 AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2015-08-21   
737-484 4 AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-09-14   
737-484 5 AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-09-14   
737-484 6 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-09-18   
737-484 7 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-09-18   
737-484 8 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-09-24   
737-484 9 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-09-24   
737-497 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-497 0 AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2023-07-09   
737-497 1 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-05-18   
737-497 2 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-05-18   
737-497 3 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2023-03-13   
737-497 4 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2023-03-13   
737-497 5 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-05-18   
737-497 6 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-05-18   
737-497 7 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2023-04-28   
737-497 8 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2023-04-28   
737-497 9 AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2023-07-09   
737-529 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-529 0 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 1 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 2 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 3 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-04-02   
737-529 4 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 5 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 6 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 7 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-05-07   
737-529 8 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-05-30   
737-529 9 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-04-02   
737-587 A AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-587 0 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-08   
737-587 1 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-08   
737-587 2 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-08   
737-587 3 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2022-04-02   
737-587 4 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2022-03-11   
737-587 5 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-08   
737-587 6 AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2022-04-11   
737-587 7 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-08   
737-587 8 AUSTTXGR51Z  965H FRACTEL, LLC 558   2022-03-04   
737-587 9 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-08   
737-600 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-600 0 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-06-13   
737-600 1 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-07-16   
737-600 2 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-07-16   
737-600 3 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-07-27   
737-600 4 AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558   2015-06-15   
737-600 5 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-07-27   
737-600 6 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-07-02   
737-600 7 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-07-02   
737-600 8 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-06-13   
737-600 9 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2015-07-13   
737-610 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-610 0 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2018-11-04   
737-610 1 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-10-28   
737-610 2 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2018-11-04   
737-610 3 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2019-09-09   
737-610 4 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-05-05   
737-610 5 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2019-08-12   
737-610 6 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2019-08-12   
737-610 7   7551 AUSTIN BESTLINE COMPANY 558   2019-10-10   
737-610 8 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2019-09-07   
737-610 9 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-10-18   
737-615 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-615 0 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2017-04-22   
737-615 1 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2017-03-05   
737-615 2 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2017-04-22   
737-615 3 AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2017-04-22   
737-615 4 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2017-12-28   
737-615 5 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2018-01-19   
737-615 6 AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2018-01-13   
737-615 7 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2017-12-28   
737-615 8 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2017-12-28   
737-615 9 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2017-12-28   
737-701 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-701 0 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-19   
737-701 1 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-19   
737-701 2 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-11-07   
737-701 3 AUSWTXGXBMD  5562 METROPCS, INC. 558   2016-09-01   
737-701 4 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-19   
737-701 5 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-11-02   
737-701 6 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-01   
737-701 7 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-01   
737-701 8 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-01   
737-701 9 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-01   
737-703 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-703 0 AUSWTXGXBMD  5562 METROPCS, INC. 558   2014-06-15   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 >>

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.