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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
281-522 9 Kemah TX KEMHTXXAH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-523 A Kemah TX KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 A Kemah TX KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 0 Kemah TX   515J IP HORIZON LLC 560   2016-03-28   
281-524 1 Kemah TX   515J IP HORIZON LLC 560   2017-07-14   
281-524 2 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2020-11-14   
281-524 3 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2020-11-14   
281-524 4 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2020-11-14   
281-524 5 Kemah TX KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 6 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-524 7 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-524 8 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-524 9 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-525 A League City TX LGCYTXXAH02  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-525 0 League City TX   515J IP HORIZON LLC 560   2016-01-04   
281-525 1 League City TX LGCYTXXAH02  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-525 2 League City TX LGCYTXXAH02  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-525 3 League City TX LGCYTXXAH02  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-525 4 League City TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-08-01   
281-525 5 League City TX LGCYTXXAH02  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-525 6 League City TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-04-04   
281-525 7 League City TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-04-04   
281-525 8 League City TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-525 9 League City TX   515J IP HORIZON LLC 560   2015-03-23   
281-526 A League City TX LGCYTXXAH02  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-527 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-528 A Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 0 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 1 Spring TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2004-11-23   
281-528 2 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 3 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-02-26   
281-528 4 Spring TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-07-16   
281-528 5 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 6 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 7 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 8 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 9 Spring TX SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-529 A Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-529 0 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-529 1 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-529 2 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-10-07   
281-529 3 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-529 4 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-529 5 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-01   
281-529 6 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2011-09-30   
281-529 7 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-10-10   
281-529 8 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-529 9 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-530 A Houston Suburban TX HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
281-531 A Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
281-532 A Kemah TX KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 0 Kemah TX KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 1 Kemah TX KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 2 Kemah TX KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 3 Kemah TX KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 4 Kemah TX   145J TERRA NOVA TELECOM INC. 560   2021-09-28   
281-532 5 Kemah TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-05-19   
281-532 6 Kemah TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-08-11   
281-532 7 Kemah TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-01-03   
281-532 8 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2013-05-18   
281-532 9 Kemah TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-05   
281-533 A Valley Lodge TX VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-533 0 Valley Lodge TX VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-533 1 Valley Lodge TX HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560   2008-12-13   
281-533 2 Valley Lodge TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2012-10-10   
281-533 3 Valley Lodge TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-03-25   
281-533 4 Valley Lodge TX HSTNTX01X7X  516C AT&T CORP. 560   2011-02-05   
281-533 5 Valley Lodge TX   515J IP HORIZON LLC 560   2025-03-03   
281-533 6 Valley Lodge TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-09-02   
281-533 7 Valley Lodge TX   515J IP HORIZON LLC 560   2025-03-03   
281-533 8 Valley Lodge TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2012-06-18   
281-533 9 Valley Lodge TX VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-534 A Dickinson TX DCSNTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 A Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 0 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 1 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 2 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-535 3 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-535 4 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 5 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 6 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 7 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 8 Kemah TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-535 9 Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-536 A Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-537 A Bammel TX HSTNTXBADS0  9533 SOUTHWESTERN BELL 560      
281-538 A Kemah TX KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-539 A Bammel TX HSTNTXGPDS0  9533 SOUTHWESTERN BELL 560      
281-540 A Humble TX HMBLTXXAPS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-541 A Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 0 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 1 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 2 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 3 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 4 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 5 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 6 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 7 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 8 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 9 Spring TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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