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Spring EMS, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-210 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 0   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 1   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 2   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 3   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 4   6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-19   
281-210 5   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 6   6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-19   
281-210 7   6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-19   
281-210 8   6701 AERIAL COMMUNICATIONS, INC. 560   2006-09-21   
281-210 9   6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-29   
281-296 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 0   9533 SOUTHWESTERN BELL 560      
281-296 1   9533 SOUTHWESTERN BELL 560      
281-296 2   9533 SOUTHWESTERN BELL 560      
281-296 3   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-02-20   
281-296 4   9533 SOUTHWESTERN BELL 560      
281-296 5   9533 SOUTHWESTERN BELL 560      
281-296 6   9533 SOUTHWESTERN BELL 560      
281-296 7   9533 SOUTHWESTERN BELL 560      
281-296 8   9533 SOUTHWESTERN BELL 560      
281-296 9   9533 SOUTHWESTERN BELL 560      
281-297 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 0   9533 SOUTHWESTERN BELL 560      
281-297 1   9533 SOUTHWESTERN BELL 560      
281-297 2   9533 SOUTHWESTERN BELL 560      
281-297 3   9533 SOUTHWESTERN BELL 560      
281-297 4   9533 SOUTHWESTERN BELL 560      
281-297 5   9533 SOUTHWESTERN BELL 560      
281-297 6   9533 SOUTHWESTERN BELL 560      
281-297 7   9533 SOUTHWESTERN BELL 560      
281-297 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   
281-297 9   9533 SOUTHWESTERN BELL 560      
281-323 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-323 0   6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-06   
281-323 1   6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-06   
281-323 2   6701 AERIAL COMMUNICATIONS, INC. 560   2006-05-01   
281-323 3   6701 AERIAL COMMUNICATIONS, INC. 560   2006-08-28   
281-323 4   516C AT&T CORP. 560   2006-07-07   
281-323 5   6701 AERIAL COMMUNICATIONS, INC. 560   2006-08-28   
281-323 6   9533 SOUTHWESTERN BELL 560      
281-323 7   9533 SOUTHWESTERN BELL 560      
281-323 8   6701 AERIAL COMMUNICATIONS, INC. 560   2006-08-28   
281-323 9   6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-06   
281-350 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-353 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-355 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-362 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-362 0   9533 SOUTHWESTERN BELL 560      
281-362 1   9533 SOUTHWESTERN BELL 560      
281-362 2   9533 SOUTHWESTERN BELL 560      
281-362 3   9533 SOUTHWESTERN BELL 560      
281-362 4   9533 SOUTHWESTERN BELL 560      
281-362 5   318J COMCAST IP PHONE, LLC 560   2006-12-05   
281-362 6   9533 SOUTHWESTERN BELL 560      
281-362 7   9533 SOUTHWESTERN BELL 560      
281-362 8   9533 SOUTHWESTERN BELL 560      
281-362 9   9533 SOUTHWESTERN BELL 560      
281-363 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-364 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-367 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-430 A HSTOTXORDS1  2091 ETS TELEPHONE COMPANY, INC. 560      
281-466 A HSTNTXJADS1  9533 SOUTHWESTERN BELL 560      
281-466 0   9533 SOUTHWESTERN BELL 560      
281-466 1   903C ONVOY, LLC - TX 560   2003-10-28   
281-466 2   318J COMCAST IP PHONE, LLC 560   2005-04-15   
281-466 3   903C ONVOY, LLC - TX 560   2009-01-08   
281-466 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-05-08   
281-466 5   7421 AT&T - LOCAL 560   2002-10-08   
281-466 6   9533 SOUTHWESTERN BELL 560   2002-11-20   
281-466 7   6701 AERIAL COMMUNICATIONS, INC. 560   2004-02-28   
281-466 8   903C ONVOY, LLC - TX 560   2003-10-22   
281-466 9   6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-28   
281-651 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-651 0   9533 SOUTHWESTERN BELL 560      
281-651 1   9533 SOUTHWESTERN BELL 560      
281-651 2   318J COMCAST IP PHONE, LLC 560   2005-09-09   
281-651 3   9533 SOUTHWESTERN BELL 560      
281-651 4   318J COMCAST IP PHONE, LLC 560   2007-05-29   
281-651 5   318J COMCAST IP PHONE, LLC 560   2006-09-11   
281-651 6   9533 SOUTHWESTERN BELL 560      
281-651 7   9533 SOUTHWESTERN BELL 560      
281-651 8   6701 AERIAL COMMUNICATIONS, INC. 560   2018-11-04   
281-651 9   9533 SOUTHWESTERN BELL 560      
281-681 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-719 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-719 0   318J COMCAST IP PHONE, LLC 560   2005-09-09   
281-719 1   829J PAETEC ITEL, LLC 560   2008-12-04   
281-719 2   9533 SOUTHWESTERN BELL 560      
281-719 3   9533 SOUTHWESTERN BELL 560      
281-719 4   9533 SOUTHWESTERN BELL 560      
281-719 5   318J COMCAST IP PHONE, LLC 560   2007-04-04   
281-719 6   9533 SOUTHWESTERN BELL 560      
281-719 7   9533 SOUTHWESTERN BELL 560      
281-719 8   318J COMCAST IP PHONE, LLC 560   2007-05-29   
281-719 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-12-05   
281-825 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-825 0   9533 SOUTHWESTERN BELL 560      
281-825 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2005-04-16   
281-825 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-27   

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

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