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Austin, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-507 1   5562 METROPCS, INC. 558      
512-507 2   5562 METROPCS, INC. 558      
512-507 3   5562 METROPCS, INC. 558      
512-507 4   5562 METROPCS, INC. 558      
512-507 5   5562 METROPCS, INC. 558      
512-507 6   5562 METROPCS, INC. 558      
512-507 7   5562 METROPCS, INC. 558      
512-507 8   5562 METROPCS, INC. 558      
512-507 9   6529 T-MOBILE USA, INC. 558      
512-512 A AUSTTX92X0X  473F USFON, INC. - TX 558      
512-512 0   139F WORLDCALL INTERCONNECT INC. 558   2023-03-11   
512-512 1   139F WORLDCALL INTERCONNECT INC. 558   2023-03-11   
512-512 2   473F USFON, INC. - TX 558   2023-03-10   
512-512 3   473F USFON, INC. - TX 558   2023-03-10   
512-512 4   473F USFON, INC. - TX 558   2023-03-10   
512-512 5   473F USFON, INC. - TX 558   2023-03-10   
512-512 6   473F USFON, INC. - TX 558   2023-03-10   
512-512 7   473F USFON, INC. - TX 558   2023-03-10   
512-512 8   473F USFON, INC. - TX 558   2023-03-10   
512-512 9   473F USFON, INC. - TX 558   2023-03-10   
512-513 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-513 0   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 2   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 3   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 4   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 5   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 8   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-513 9   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-08   
512-514 A AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-514 0   793K TWC IP ENABLED SERVICES, LLC 558   2006-04-24   
512-514 1   793K TWC IP ENABLED SERVICES, LLC 558   2006-03-10   
512-514 2   9533 SOUTHWESTERN BELL 558      
512-514 3   5562 METROPCS, INC. 558   2007-08-02   
512-514 4   5562 METROPCS, INC. 558   2007-08-02   
512-514 5   5562 METROPCS, INC. 558   2007-08-02   
512-514 6   9533 SOUTHWESTERN BELL 558      
512-514 7   9533 SOUTHWESTERN BELL 558      
512-514 8   9533 SOUTHWESTERN BELL 558      
512-514 9   9533 SOUTHWESTERN BELL 558      
512-516 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-516 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-04-25   
512-516 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-04-30   
512-516 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-05-05   
512-516 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-05-17   
512-516 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-06-05   
512-516 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-06-15   
512-516 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2010-06-28   
512-516 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-07-19   
512-516 8   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2010-08-23   
512-516 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-04-17   
512-517 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-518 A AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-518 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-04   
512-518 1   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-14   
512-518 2   903C ONVOY, LLC - TX 558   2010-06-07   
512-518 3   516C AT&T CORP. 558   2010-09-22   
512-518 4   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-14   
512-518 5   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-14   
512-518 6   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-14   
512-518 7   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-11-08   
512-518 8   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-11-08   
512-518 9   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-11-08   
512-519 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-519 0   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-519 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-519 2   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-519 3   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-519 4   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-519 5   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-519 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-519 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-519 8   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-519 9   793K TWC IP ENABLED SERVICES, LLC 558   2006-04-24   
512-520 A AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2025-01-29   
512-520 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-520 1   793K TWC IP ENABLED SERVICES, LLC 558   2016-07-08   
512-520 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-03-11   
512-520 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-03-11   
512-520 4   516C AT&T CORP. 558   2010-12-30   
512-520 5   516C AT&T CORP. 558   2010-12-30   
512-520 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-02-11   
512-520 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-02-11   
512-520 8   793K TWC IP ENABLED SERVICES, LLC 558   2011-02-20   
512-520 9   793K TWC IP ENABLED SERVICES, LLC 558   2011-03-01   
512-522 A AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-522 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 1   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 2   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 3   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 4   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 5   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 6   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 7   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 8   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 9   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-524 A AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 0   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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