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Austin, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-524 1   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 2   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-524 4   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 5   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-524 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-524 8   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-526 A AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-526 0   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 1   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 2   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 3   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 4   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 5   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 8   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 9   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-527 A AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 0   9533 SOUTHWESTERN BELL 558      
512-527 1   9533 SOUTHWESTERN BELL 558      
512-527 2   9533 SOUTHWESTERN BELL 558      
512-527 3   793K TWC IP ENABLED SERVICES, LLC 558   2007-09-05   
512-527 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-23   
512-527 5   9533 SOUTHWESTERN BELL 558      
512-527 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-11-08   
512-527 7   9533 SOUTHWESTERN BELL 558      
512-527 8   9533 SOUTHWESTERN BELL 558      
512-527 9   9533 SOUTHWESTERN BELL 558      
512-529 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-529 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-06-27   
512-529 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-06-17   
512-529 2   5562 METROPCS, INC. 558   2007-06-27   
512-529 3   5562 METROPCS, INC. 558   2007-06-27   
512-529 4   5562 METROPCS, INC. 558   2007-06-27   
512-529 5   5562 METROPCS, INC. 558   2007-06-27   
512-529 6   5562 METROPCS, INC. 558   2007-06-27   
512-529 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-07-28   
512-529 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-08-08   
512-529 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-05-27   
512-530 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 0   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 2   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 3   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 4   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 5   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 8   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 9   793K TWC IP ENABLED SERVICES, LLC 558   2005-11-21   
512-532 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-533 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-533 0   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-533 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-533 2   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-533 3   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-533 4   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-533 5   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-533 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-533 7   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-533 8   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-533 9   9533 SOUTHWESTERN BELL 558   2001-03-21   
512-534 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-534 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-10-05   
512-534 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-10-05   
512-534 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-11-08   
512-534 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-11-08   
512-534 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-11-08   
512-534 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-10-30   
512-534 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-11-05   
512-534 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-11-10   
512-534 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-09-12   
512-534 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-09-12   
512-535 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-535 0   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 1   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 5   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 7   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-07-18   
512-535 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-23   
512-535 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2005-06-13   
512-536 A AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-536 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2005-11-11   
512-536 1   9533 SOUTHWESTERN BELL 558      
512-536 2   9533 SOUTHWESTERN BELL 558      
512-536 3   9533 SOUTHWESTERN BELL 558      
512-536 4   9533 SOUTHWESTERN BELL 558      
512-536 5   9533 SOUTHWESTERN BELL 558      
512-536 6   9533 SOUTHWESTERN BELL 558      
512-536 7   9533 SOUTHWESTERN BELL 558      
512-536 8   9533 SOUTHWESTERN BELL 558      
512-536 9   9533 SOUTHWESTERN BELL 558      
512-537 A AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      

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

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