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Austin, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-351 6   6529 T-MOBILE USA, INC. 558   2004-08-16   
512-351 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-08-08   
512-351 8   793K TWC IP ENABLED SERVICES, LLC 558   2004-08-20   
512-351 9   793K TWC IP ENABLED SERVICES, LLC 558   2004-08-20   
512-354 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-354 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-02-25   
512-354 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-05-01   
512-354 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-05-01   
512-354 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-04-02   
512-354 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-05-01   
512-354 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-05-06   
512-354 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-05-06   
512-354 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-05-10   
512-354 8   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-05-25   
512-354 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-06-24   
512-356 A AUSTTXEVDS0  9533 SOUTHWESTERN BELL 558      
512-356 0   9533 SOUTHWESTERN BELL 558      
512-356 1   9533 SOUTHWESTERN BELL 558      
512-356 2   9533 SOUTHWESTERN BELL 558      
512-356 3   9533 SOUTHWESTERN BELL 558      
512-356 4   9533 SOUTHWESTERN BELL 558      
512-356 5   9533 SOUTHWESTERN BELL 558      
512-356 6   9533 SOUTHWESTERN BELL 558      
512-356 7   9533 SOUTHWESTERN BELL 558      
512-356 8   9533 SOUTHWESTERN BELL 558      
512-356 9   793K TWC IP ENABLED SERVICES, LLC 558   2007-09-12   
512-358 A AUSTTXTWDS0  9533 SOUTHWESTERN BELL 558      
512-358 0   9533 SOUTHWESTERN BELL 558      
512-358 1   793K TWC IP ENABLED SERVICES, LLC 558   2007-09-12   
512-358 2   9533 SOUTHWESTERN BELL 558      
512-358 3   9533 SOUTHWESTERN BELL 558      
512-358 4   793K TWC IP ENABLED SERVICES, LLC 558   2005-08-23   
512-358 5   9533 SOUTHWESTERN BELL 558      
512-358 6   793K TWC IP ENABLED SERVICES, LLC 558   2005-08-23   
512-358 7   9533 SOUTHWESTERN BELL 558      
512-358 8   9533 SOUTHWESTERN BELL 558      
512-358 9   508J CENTURYLINK COMMUNICATIONS, LLC 558   2016-07-25   
512-362 A AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-362 0   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-09-09   
512-362 1   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-09-09   
512-362 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-08-06   
512-362 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-08-06   
512-362 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-08-06   
512-362 5   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-08-06   
512-362 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-08-06   
512-362 7   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-08-06   
512-362 8   516C AT&T CORP. 558   2011-09-14   
512-362 9   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-11-08   
512-363 A AUSTTXCVRS1  9533 SOUTHWESTERN BELL 558      
512-363 0   6529 T-MOBILE USA, INC. 558   2005-07-30   
512-363 1   9533 SOUTHWESTERN BELL 558      
512-363 2   6529 T-MOBILE USA, INC. 558   2005-07-30   
512-363 3   6529 T-MOBILE USA, INC. 558   2005-07-30   
512-363 4   9533 SOUTHWESTERN BELL 558      
512-363 5   793K TWC IP ENABLED SERVICES, LLC 558   2006-02-08   
512-363 6   6529 T-MOBILE USA, INC. 558   2005-07-30   
512-363 7   6529 T-MOBILE USA, INC. 558   2005-08-08   
512-363 8   6529 T-MOBILE USA, INC. 558   2005-08-08   
512-363 9   6529 T-MOBILE USA, INC. 558   2005-07-30   
512-364 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-364 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2007-12-17   
512-364 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2008-03-14   
512-364 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2008-03-24   
512-364 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-11-08   
512-364 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-11-08   
512-364 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-11-08   
512-364 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2008-03-31   
512-364 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2008-04-10   
512-364 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-10-29   
512-364 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-10-31   
512-366 A AUSTTXEVRS2  9533 SOUTHWESTERN BELL 558      
512-366 0   6529 T-MOBILE USA, INC. 558   2005-08-08   
512-366 1   9533 SOUTHWESTERN BELL 558      
512-366 2   6529 T-MOBILE USA, INC. 558   2005-08-08   
512-366 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2006-05-19   
512-366 4   9533 SOUTHWESTERN BELL 558      
512-366 5   793K TWC IP ENABLED SERVICES, LLC 558   2007-09-25   
512-366 6   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-08-04   
512-366 7   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-08-04   
512-366 8   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-08-04   
512-366 9   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2005-08-04   
512-367 A AUSTTXFARS1  9533 SOUTHWESTERN BELL 558      
512-367 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-07-06   
512-367 1   9533 SOUTHWESTERN BELL 558      
512-367 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-08-07   
512-367 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-07-06   
512-367 4   9533 SOUTHWESTERN BELL 558      
512-367 5   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2007-11-05   
512-367 6   9533 SOUTHWESTERN BELL 558      
512-367 7   9533 SOUTHWESTERN BELL 558      
512-367 8   9533 SOUTHWESTERN BELL 558      
512-367 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-07-06   
512-368 A AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-368 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-04-05   
512-368 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-04-05   
512-368 2   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-05-31   
512-368 3   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-05-31   
512-368 4   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2010-05-31   
512-368 5   516C AT&T CORP. 558   2010-05-17   
512-368 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-06-24   

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

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