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Houston, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
713-339 4   9533 SOUTHWESTERN BELL 560      
713-339 5   9533 SOUTHWESTERN BELL 560      
713-339 6   9533 SOUTHWESTERN BELL 560      
713-339 7   9533 SOUTHWESTERN BELL 560      
713-339 8   9533 SOUTHWESTERN BELL 560      
713-339 9   9533 SOUTHWESTERN BELL 560      
713-341 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-342 A HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-343 A HSTATX750MD  829J PAETEC ITEL, LLC 560   2025-01-23   
713-344 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-344 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-04-01   
713-344 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-04-01   
713-344 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-344 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-02-17   
713-344 4   6701 AERIAL COMMUNICATIONS, INC. 560   2007-02-27   
713-344 5   6701 AERIAL COMMUNICATIONS, INC. 560   2007-02-27   
713-344 6   6701 AERIAL COMMUNICATIONS, INC. 560   2005-05-19   
713-344 7   6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-16   
713-344 8   6701 AERIAL COMMUNICATIONS, INC. 560   2005-02-18   
713-344 9   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 0   6701 AERIAL COMMUNICATIONS, INC. 560   2005-10-21   
713-345 1   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 3   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 4   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 6   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 7   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 8   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-345 9   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-346 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-347 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-347 0   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 1   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 2   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 3   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 4   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 5   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 6   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 7   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 8   903C ONVOY, LLC - TX 560   2022-07-02   
713-347 9   903C ONVOY, LLC - TX 560   2022-07-02   
713-348 A HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-348 0   9533 SOUTHWESTERN BELL 560      
713-348 1   9533 SOUTHWESTERN BELL 560      
713-348 2   9533 SOUTHWESTERN BELL 560      
713-348 3   9533 SOUTHWESTERN BELL 560      
713-348 4   9533 SOUTHWESTERN BELL 560      
713-348 5   9533 SOUTHWESTERN BELL 560      
713-348 6   9533 SOUTHWESTERN BELL 560      
713-348 7   9533 SOUTHWESTERN BELL 560      
713-348 8   9533 SOUTHWESTERN BELL 560      
713-348 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   
713-349 A HSTNTXMODS0  9533 SOUTHWESTERN BELL 560      
713-349 0   9533 SOUTHWESTERN BELL 560      
713-349 1   9533 SOUTHWESTERN BELL 560      
713-349 2   9533 SOUTHWESTERN BELL 560      
713-349 3   6701 AERIAL COMMUNICATIONS, INC. 560   2005-10-21   
713-349 4   6701 AERIAL COMMUNICATIONS, INC. 560   2005-10-21   
713-349 5   9533 SOUTHWESTERN BELL 560      
713-349 6   9533 SOUTHWESTERN BELL 560      
713-349 7   9533 SOUTHWESTERN BELL 560      
713-349 8   9533 SOUTHWESTERN BELL 560      
713-349 9   9533 SOUTHWESTERN BELL 560      
713-350 A HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-351 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 0   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 1   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 2   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 3   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 4   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 5   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 6   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 7   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 8   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 9   6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
713-353 A HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-354 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 0   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 1   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 3   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 4   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 6   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 7   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 8   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
713-354 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-08-18   
713-355 A HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-355 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-12-06   
713-355 1   9533 SOUTHWESTERN BELL 560      
713-355 2   9533 SOUTHWESTERN BELL 560      
713-355 3   9533 SOUTHWESTERN BELL 560      
713-355 4   6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-09   
713-355 5   9533 SOUTHWESTERN BELL 560      
713-355 6   9533 SOUTHWESTERN BELL 560      
713-355 7   6701 AERIAL COMMUNICATIONS, INC. 560   2013-09-15   
713-355 8   9533 SOUTHWESTERN BELL 560      
713-355 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2018-10-22   

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

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