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Austin, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-852 5   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2006-11-18   
512-852 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2006-11-18   
512-852 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2006-12-21   
512-852 8   793K TWC IP ENABLED SERVICES, LLC 558   2007-04-05   
512-852 9   793K TWC IP ENABLED SERVICES, LLC 558   2007-04-05   
512-853 A AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-853 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-24   
512-853 1   5562 METROPCS, INC. 558   2014-03-06   
512-853 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 5   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 7   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 8   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-853 9   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2002-10-28   
512-854 A AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-854 0   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 1   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 2   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 3   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 4   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 5   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 6   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 7   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 8   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-854 9   9533 SOUTHWESTERN BELL 558   2000-11-19   
512-857 A AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-860 A AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-860 0   9533 SOUTHWESTERN BELL 558      
512-860 1   9533 SOUTHWESTERN BELL 558      
512-860 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-09-27   
512-860 3   9533 SOUTHWESTERN BELL 558      
512-860 4   9533 SOUTHWESTERN BELL 558      
512-860 5   9533 SOUTHWESTERN BELL 558      
512-860 6   9533 SOUTHWESTERN BELL 558      
512-860 7   9533 SOUTHWESTERN BELL 558      
512-860 8   9533 SOUTHWESTERN BELL 558      
512-860 9   9533 SOUTHWESTERN BELL 558      
512-861 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-861 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-03-08   
512-861 1   004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-09-03   
512-861 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-09-04   
512-861 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-08-20   
512-861 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-08-20   
512-861 5   516C AT&T CORP. 558   2010-08-10   
512-861 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-11-20   
512-861 7   829J PAETEC ITEL, LLC 558   2010-08-27   
512-861 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-11-20   
512-861 9   903C ONVOY, LLC - TX 558   2009-12-26   
512-865 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-865 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-05   
512-865 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-05   
512-865 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-02-12   
512-865 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-02-12   
512-865 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-02-12   
512-865 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-02-12   
512-865 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-02-12   
512-865 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-05   
512-865 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-02-10   
512-865 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-02-10   
512-867 A AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-867 0   9533 SOUTHWESTERN BELL 558      
512-867 1   9533 SOUTHWESTERN BELL 558      
512-867 2   9533 SOUTHWESTERN BELL 558      
512-867 3   9533 SOUTHWESTERN BELL 558      
512-867 4   9533 SOUTHWESTERN BELL 558      
512-867 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-01-30   
512-867 6   9533 SOUTHWESTERN BELL 558      
512-867 7   9533 SOUTHWESTERN BELL 558      
512-867 8   9533 SOUTHWESTERN BELL 558      
512-867 9   9533 SOUTHWESTERN BELL 558      
512-870 A AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-870 0   9533 SOUTHWESTERN BELL 558      
512-870 1   9533 SOUTHWESTERN BELL 558      
512-870 2   9533 SOUTHWESTERN BELL 558      
512-870 3   9533 SOUTHWESTERN BELL 558      
512-870 4   9533 SOUTHWESTERN BELL 558      
512-870 5   9533 SOUTHWESTERN BELL 558      
512-870 6   9533 SOUTHWESTERN BELL 558      
512-870 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-24   
512-870 8   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2006-08-11   
512-870 9   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2006-08-11   
512-871 A AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-871 0   903C ONVOY, LLC - TX 558   2019-02-14   
512-871 1   903C ONVOY, LLC - TX 558   2019-02-14   
512-871 2   903C ONVOY, LLC - TX 558   2019-02-14   
512-871 3   903C ONVOY, LLC - TX 558   2019-02-14   
512-871 4   903C ONVOY, LLC - TX 558   2019-02-14   
512-871 5   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2019-01-21   
512-871 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2019-01-21   
512-871 7   903C ONVOY, LLC - TX 558   2019-02-14   
512-871 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-03-02   
512-871 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2019-03-02   
512-872 A AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-872 0   6529 T-MOBILE USA, INC. 558   2013-08-12   
512-872 1   6529 T-MOBILE USA, INC. 558   2013-08-12   
512-872 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-08-09   
512-872 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-08-09   
512-872 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-08-09   

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

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