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NPA: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-809 0 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-16   
281-809 1 Houston Suburban TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-809 2 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2009-06-09   
281-809 3 Houston Suburban TX HSTNTX01X7X  516C AT&T CORP. 560   2009-06-03   
281-809 4 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-16   
281-809 5 Houston Suburban TX HSTNTX01X7X  516C AT&T CORP. 560   2009-09-30   
281-809 6 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-16   
281-809 7 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2009-06-23   
281-809 8 Houston Suburban TX HSTNTX01X7X  516C AT&T CORP. 560   2009-12-11   
281-809 9 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-16   
281-810 A Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-810 0 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-810 1 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-810 2 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-810 3 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-810 4 Houston Suburban TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2008-10-26   
281-810 5 Houston Suburban TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2007-08-20   
281-810 6 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-810 7 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-810 8 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-810 9 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-812 A Humble TX ATASTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-813 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-814 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-815 A Langham Creek TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-815 0 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-28   
281-815 1 Langham Creek TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-815 2 Langham Creek TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2009-07-02   
281-815 3 Langham Creek TX HSTNTX01X7X  516C AT&T CORP. 560   2006-06-30   
281-815 4 Langham Creek TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-07-25   
281-815 5 Langham Creek TX HSTNTX01X7X  516C AT&T CORP. 560   2009-11-13   
281-815 6 Langham Creek TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-05-19   
281-815 7 Langham Creek TX HSTNTX01X7X  516C AT&T CORP. 560   2010-04-30   
281-815 8 Langham Creek TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2003-10-25   
281-815 9 Langham Creek TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-816 A Friendswood TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-816 0 Friendswood TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-816 1 Friendswood TX   515J IP HORIZON LLC 560   2013-08-12   
281-816 2 Friendswood TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-816 3 Friendswood TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-01-11   
281-816 4 Friendswood TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2003-08-26   
281-816 5 Friendswood TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-08-13   
281-816 6 Friendswood TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-08-13   
281-816 7 Friendswood TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-28   
281-816 8 Friendswood TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2006-03-23   
281-816 9 Friendswood TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-817 A Deer Park TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-817 0 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-817 1 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-817 2 Deer Park TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-817 3 Deer Park TX HSTNTX01DS2  7421 AT&T - LOCAL 560   2002-01-18   
281-817 4 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-817 5 Deer Park TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-07-09   
281-817 6 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-01-04   
281-817 7 Deer Park TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-07-09   
281-817 8 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-10-11   
281-817 9 Deer Park TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-818 A Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-818 0 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-01-17   
281-818 1 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-31   
281-818 2 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-31   
281-818 3 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2008-01-10   
281-818 4 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2009-09-27   
281-818 5 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-09-23   
281-818 6 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2009-09-27   
281-818 7 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-01-01   
281-818 8 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-10-13   
281-818 9 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2009-08-23   
281-819 A Friendswood TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-819 0 Friendswood TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-11-18   
281-819 1 Friendswood TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-04-30   
281-819 2 Friendswood TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-05-14   
281-819 3 Friendswood TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-05-14   
281-819 4 Friendswood TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-819 5 Friendswood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2012-06-18   
281-819 6 Friendswood TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-07-17   
281-819 7 Friendswood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-06-17   
281-819 8 Friendswood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2003-10-25   
281-819 9 Friendswood TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-820 A Houston Suburban TX HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-821 A Westfield TX HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-822 A Houston TX   903C ONVOY, LLC - TX 560      
281-823 A Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 0 Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 1 Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 2 Apollo TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2005-12-23   
281-823 3 Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 4 Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 5 Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 6 Apollo TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 7 Apollo TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-01-17   
281-823 8 Apollo TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-01-17   
281-823 9 Apollo TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-03-31   
281-824 A Alvin TX ALVNTXALDS0  9533 SOUTHWESTERN BELL 560      
281-824 0 Alvin TX ALVNTXALDS0  9533 SOUTHWESTERN BELL 560      
281-824 1 Alvin TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2007-01-17   
281-824 2 Alvin TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2008-03-12   
281-824 3 Alvin TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-09-15   
281-824 4 Alvin TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2005-09-15   
281-824 5 Alvin TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2008-12-12   

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Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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