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Deer Park, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-241 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-241 0   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-241 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-10   
281-241 2   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-241 3   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2002-11-09   
281-241 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2003-08-30   
281-241 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2003-09-13   
281-241 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-01-11   
281-241 7   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-03-18   
281-241 8   903C ONVOY, LLC - TX 560   2003-10-01   
281-241 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-271 A   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-04-07   
281-271 0   145J TERRA NOVA TELECOM INC. 560   2022-10-10   
281-271 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-03-31   
281-271 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-02-02   
281-271 3   903C ONVOY, LLC - TX 560   2020-11-30   
281-271 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-271 5   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-03-25   
281-271 6   624H ONVOY SPECTRUM, LLC 560   2024-10-15   
281-271 7   624H ONVOY SPECTRUM, LLC 560   2024-10-15   
281-271 8   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2004-11-29   
281-271 9   145J TERRA NOVA TELECOM INC. 560   2025-07-26   
281-476 A HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-476 0   9533 SOUTHWESTERN BELL 560      
281-476 1   9533 SOUTHWESTERN BELL 560      
281-476 2   9533 SOUTHWESTERN BELL 560      
281-476 3   9533 SOUTHWESTERN BELL 560      
281-476 4   9533 SOUTHWESTERN BELL 560      
281-476 5   9533 SOUTHWESTERN BELL 560      
281-476 6   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2006-11-01   
281-476 7   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2006-11-01   
281-476 8   9533 SOUTHWESTERN BELL 560      
281-476 9   9533 SOUTHWESTERN BELL 560      
281-478 A HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-478 0   9533 SOUTHWESTERN BELL 560      
281-478 1   9533 SOUTHWESTERN BELL 560      
281-478 2   9533 SOUTHWESTERN BELL 560      
281-478 3   9533 SOUTHWESTERN BELL 560      
281-478 4   9533 SOUTHWESTERN BELL 560      
281-478 5   9533 SOUTHWESTERN BELL 560      
281-478 6   9533 SOUTHWESTERN BELL 560      
281-478 7   9533 SOUTHWESTERN BELL 560      
281-478 8   9533 SOUTHWESTERN BELL 560      
281-478 9   903C ONVOY, LLC - TX 560   2020-11-30   
281-479 A HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-542 A HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-542 0   9533 SOUTHWESTERN BELL 560      
281-542 1   9533 SOUTHWESTERN BELL 560      
281-542 2   9533 SOUTHWESTERN BELL 560      
281-542 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-07   
281-542 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-07   
281-542 5   624H ONVOY SPECTRUM, LLC 560   2021-11-11   
281-542 6   9533 SOUTHWESTERN BELL 560      
281-542 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-01-07   
281-542 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-542 9   9533 SOUTHWESTERN BELL 560      
281-680 A   903C ONVOY, LLC - TX 560      
281-680 1   903C ONVOY, LLC - TX 560      
281-680 4   903C ONVOY, LLC - TX 560      
281-680 6   903C ONVOY, LLC - TX 560      
281-680 8   903C ONVOY, LLC - TX 560      
281-715 A HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-715 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-715 1   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-715 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2009-04-03   
281-715 3   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2009-04-03   
281-715 4   903C ONVOY, LLC - TX 560   2005-05-27   
281-715 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2005-05-27   
281-715 6   145J TERRA NOVA TELECOM INC. 560   2024-11-14   
281-715 7   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-06-24   
281-715 8   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-715 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-817 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-817 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-817 1   004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-817 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-817 3   7421 AT&T - LOCAL 560   2002-01-18   
281-817 4   004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-817 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-07-09   
281-817 6   004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-817 7   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-07-09   
281-817 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-817 9   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-884 A HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-884 0   9533 SOUTHWESTERN BELL 560      
281-884 1   9533 SOUTHWESTERN BELL 560      
281-884 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-19   
281-884 3   903C ONVOY, LLC - TX 560   2012-06-18   
281-884 4   9533 SOUTHWESTERN BELL 560      
281-884 5   9533 SOUTHWESTERN BELL 560      
281-884 6   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2006-07-25   
281-884 7   9533 SOUTHWESTERN BELL 560      
281-884 8   318J COMCAST IP PHONE, LLC 560   2010-09-12   
281-884 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-930 A HSTNTXDPDS0  9533 SOUTHWESTERN BELL 560      
281-930 0   9533 SOUTHWESTERN BELL 560      
281-930 1   9533 SOUTHWESTERN BELL 560      
281-930 2   9533 SOUTHWESTERN BELL 560      
281-930 3   9533 SOUTHWESTERN BELL 560      
281-930 4   9533 SOUTHWESTERN BELL 560      

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

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