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Austin, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-593 5   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-593 6   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-593 7   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-593 8   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-593 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-06-16   
512-594 A AUSTTXPFDS0  9533 SOUTHWESTERN BELL 558      
512-596 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-596 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-12-10   
512-596 1   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-12-10   
512-596 2   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-12-10   
512-596 3   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-12-10   
512-596 4   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-12-10   
512-596 5   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-12-10   
512-596 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-12-09   
512-596 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-12-09   
512-596 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-12-09   
512-596 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-12-09   
512-597 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-597 0   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-597 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-597 2   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-597 3   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-597 4   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-597 5   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-597 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-597 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-597 8   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-597 9   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-11   
512-599 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-599 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-08-29   
512-599 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-08-29   
512-599 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-08-29   
512-599 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-08-29   
512-599 4   793K TWC IP ENABLED SERVICES, LLC 558   2015-07-17   
512-599 5   793K TWC IP ENABLED SERVICES, LLC 558   2015-07-17   
512-599 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-07-10   
512-599 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-07-02   
512-599 8   903C ONVOY, LLC - TX 558   2015-04-21   
512-599 9   903C ONVOY, LLC - TX 558   2015-04-21   
512-600 A AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-602 A AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-603 A AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-604 A AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-605 A AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-605 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2012-06-17   
512-605 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2012-06-17   
512-605 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-03-23   
512-605 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-03-23   
512-605 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-03-23   
512-605 5   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-03-23   
512-605 6   829J PAETEC ITEL, LLC 558   2012-04-19   
512-605 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-03-31   
512-605 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-03-31   
512-605 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-03-31   
512-606 A AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-608 A AUSTTXLWRS0  9533 SOUTHWESTERN BELL 558      
512-608 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-08-30   
512-608 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-10-15   
512-608 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-10-15   
512-608 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-10-22   
512-608 4   793K TWC IP ENABLED SERVICES, LLC 558   2006-08-23   
512-608 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-08-31   
512-608 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2018-09-07   
512-608 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-10-12   
512-608 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-10-12   
512-608 9   9533 SOUTHWESTERN BELL 558      
512-609 A AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-609 0   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-03-21   
512-609 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-13   
512-609 2   9533 SOUTHWESTERN BELL 558      
512-609 3   9533 SOUTHWESTERN BELL 558      
512-609 4   9533 SOUTHWESTERN BELL 558      
512-609 5   9533 SOUTHWESTERN BELL 558      
512-609 6   9533 SOUTHWESTERN BELL 558      
512-609 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2008-11-13   
512-609 8   793K TWC IP ENABLED SERVICES, LLC 558   2006-08-23   
512-609 9   5562 METROPCS, INC. 558   2007-11-12   
512-610 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-612 A AUSTTXGR75Z  616J LEAP TELECOM, LLC 558   2024-12-28   
512-612 0   616J LEAP TELECOM, LLC 558   2024-12-28   
512-612 1   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 2   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 3   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 4   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 5   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-11   
512-612 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-11   
512-612 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-11   
512-612 9   903C ONVOY, LLC - TX 558   2024-12-30   
512-613 A AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-614 A AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2025-01-29   
512-614 0   793K TWC IP ENABLED SERVICES, LLC 558   2010-12-20   
512-614 1   793K TWC IP ENABLED SERVICES, LLC 558   2010-12-20   
512-614 2   793K TWC IP ENABLED SERVICES, LLC 558   2010-12-20   
512-614 3   829J PAETEC ITEL, LLC 558   2011-03-03   
512-614 4   793K TWC IP ENABLED SERVICES, LLC 558   2010-11-06   
512-614 5   829J PAETEC ITEL, LLC 558   2011-01-20   
512-614 6   793K TWC IP ENABLED SERVICES, LLC 558   2011-02-11   
512-614 7   903C ONVOY, LLC - TX 558   2010-12-17   
512-614 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-14   

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

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