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
737-262 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-11   
737-263 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-263 0   903C ONVOY, LLC - TX 558   2020-02-12   
737-263 1   903C ONVOY, LLC - TX 558   2020-02-12   
737-263 2   004F BANDWIDTH.COM CLEC, LLC - TX 558   2020-02-10   
737-263 3   004F BANDWIDTH.COM CLEC, LLC - TX 558   2020-02-10   
737-263 4   004F BANDWIDTH.COM CLEC, LLC - TX 558   2020-02-10   
737-263 5   004F BANDWIDTH.COM CLEC, LLC - TX 558   2020-02-10   
737-263 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-02-09   
737-263 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-02-09   
737-263 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-02-09   
737-263 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-02-09   
737-267 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-267 0   5562 METROPCS, INC. 558   2020-04-20   
737-267 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-05-23   
737-267 2   5562 METROPCS, INC. 558   2020-04-20   
737-267 3   5562 METROPCS, INC. 558   2020-04-20   
737-267 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-05-23   
737-267 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-04-19   
737-267 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-04-19   
737-267 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-04-19   
737-267 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-04-19   
737-267 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-04-19   
737-268 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-268 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-268 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-07-25   
737-269 A AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
737-269 0   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 1   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 2   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 3   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 4   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 5   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 8   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-269 9   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-08-17   
737-270 A AUSTTXGR56Z  478J NUSO, LLC 558      
737-270 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-25   
737-270 1   478J NUSO, LLC 558   2020-08-24   
737-270 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-25   
737-270 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-25   
737-270 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-25   
737-270 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-25   
737-270 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-08-25   
737-270 7   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-04-28   
737-270 8   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-04-28   
737-270 9   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-04-28   
737-272 A AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
737-272 0   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2021-06-14   
737-272 1   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2021-06-14   
737-272 2   516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-272 3   516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-272 4   516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-272 5   516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-272 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-10-08   
737-272 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-06-14   
737-272 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-06-14   
737-272 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-06-14   
737-273 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-273 0   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-03-04   
737-273 1   903C ONVOY, LLC - TX 558   2020-03-14   
737-273 2   903C ONVOY, LLC - TX 558   2020-02-22   
737-273 3   903C ONVOY, LLC - TX 558   2020-02-22   
737-273 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-02-23   
737-273 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-02-23   
737-273 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-02-23   
737-273 7   903C ONVOY, LLC - TX 558   2020-03-14   
737-273 8   903C ONVOY, LLC - TX 558   2020-03-14   
737-273 9   903C ONVOY, LLC - TX 558   2020-03-14   
737-277 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-277 0   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 1   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 2   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 3   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 4   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 5   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 6   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 7   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 8   903C ONVOY, LLC - TX 558   2020-10-11   
737-277 9   903C ONVOY, LLC - TX 558   2020-10-11   
737-279 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-279 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2020-11-08   
737-279 1   6529 T-MOBILE USA, INC. 558   2021-07-22   
737-279 2   6529 T-MOBILE USA, INC. 558   2021-07-22   
737-279 3   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   
737-279 4   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   
737-279 5   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   
737-279 6   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   
737-279 7   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   
737-279 8   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   
737-279 9   004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-07-22   

<< 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: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.