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Houston, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
713-572 6 HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-572 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-13   
713-572 8 HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-572 9 HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-573 A HSTNTXHUDS0  9533 SOUTHWESTERN BELL 560      
713-574 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
713-574 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-02-09   
713-574 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-09   
713-574 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-09   
713-574 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-09   
713-574 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-09   
713-574 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-09   
713-574 6 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-11-03   
713-574 7 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-11-03   
713-574 8 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-11-03   
713-574 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-11-03   
713-576 A HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-12-12   
713-576 0 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 1 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 2 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 3 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 4 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 5 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-18   
713-576 7 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 8 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-02-06   
713-577 A HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 0 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 1 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 2 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 3 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 4 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 5 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 6 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 7 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 8 HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-577 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-02-06   
713-578 A HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-30   
713-578 1 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 2 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 3 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 4 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 5 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 6 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 7 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 8 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-578 9 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-579 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-580 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-581 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-581 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-05-08   
713-581 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-05-09   
713-581 2 HSTATX750MD  829J PAETEC ITEL, LLC 560   2009-10-03   
713-581 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2009-12-18   
713-581 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-06-04   
713-581 5 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-05-22   
713-581 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-07-05   
713-581 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-07-05   
713-581 8 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-07-18   
713-581 9 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-03-07   
713-582 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-583 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-583 0   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 1   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 2   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 3   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 4   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 5   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 6   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 7   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 8   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-583 9   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-02-03   
713-584 A HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-584 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-11   
713-584 1 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-584 2 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-584 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-11   
713-584 4 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-584 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-10-21   
713-584 6 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-584 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-11   
713-584 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-11   
713-584 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-11   
713-585 A HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-05-02   
713-585 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-01-05   
713-585 2 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 3 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 4 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-12-03   
713-585 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-18   
713-585 7 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 8 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 9 HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-586 A HSTNTXOVDS0  9533 SOUTHWESTERN BELL 560      
713-586 0 HSTNTX01X7X  516C AT&T CORP. 560   2016-09-12   
713-586 1 HSTNTXOVDS0  9533 SOUTHWESTERN BELL 560      
713-586 2 HSTNTXOVDS0  9533 SOUTHWESTERN BELL 560      

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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