Local Calling Guide

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Houston Suburban, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-219 A HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 0 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 1 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 2 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 3 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 4 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-02-16   
281-219 6 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-219 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-02-16   
281-219 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-11-11   
281-219 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-11-11   
281-227 A HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-249 A HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 0 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 1 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 2 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 3 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 4 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-12   
281-249 6 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-06-08   
281-249 7 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 8 HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-258 A HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-258 0 HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-03-05   
281-258 1 HSTDTXBGBMD  5562 METROPCS, INC. 560   2005-10-23   
281-258 2 HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-258 3 HSTDTXBGBMD  5562 METROPCS, INC. 560   2005-10-23   
281-258 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-09-12   
281-258 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-258 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-258 7 HSTDTXBGBMD  5562 METROPCS, INC. 560   2005-10-23   
281-258 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-12-05   
281-258 9 HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-03-05   
281-260 A HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 A HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 0 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 1 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 2 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 3 HSTDTXBGBMD  5562 METROPCS, INC. 560   2005-08-09   
281-272 4 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 5 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 6 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-02-02   
281-272 7 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-272 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-12-17   
281-272 9 HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-281 A HSTQTXRG6MD  473F USFON, INC. - TX 560      
281-281 0 HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
281-281 1 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 2 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 3 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 4 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 5 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 6 HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
281-281 7 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 8 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-281 9 HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-10   
281-293 A HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-310 A HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-310 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-310 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-310 2 HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-310 3 HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-310 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-02-09   
281-310 5 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2011-03-11   
281-310 6 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2004-05-11   
281-310 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-310 8 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2011-03-11   
281-310 9 HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-330 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-330 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 2 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 3 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 4 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 5 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 6 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 7 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 8 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-330 9 HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-349 A SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-366 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-368 A HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-372 A HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 0 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 1 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 2 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 3 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-08-01   
281-372 5 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 6 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2006-02-19   
281-372 7 HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-372 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-07-26   
281-372 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-405 A HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-406 A HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-12-12   
281-406 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 2 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-406 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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