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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
281-979 7 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-12-14   
281-979 8 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-12-14   
281-979 9 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-12-14   
281-980 A Sugar Land TX SGLDTXXDDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-981 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-982 A Westfield TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-982 0 Westfield TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-11   
281-982 1 Westfield TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-11   
281-982 2 Westfield TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-982 3 Westfield TX HSTNTX01X7X  516C AT&T CORP. 560   2007-02-15   
281-982 4 Westfield TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-11   
281-982 5 Westfield TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-07-07   
281-982 6 Westfield TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-03-27   
281-982 7 Westfield TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-11-03   
281-982 8 Westfield TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-07-10   
281-982 9 Westfield TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-983 A Houston Suburban TX HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
281-984 A Apollo TX   903C ONVOY, LLC - TX 560   2025-04-18   
281-984 0 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-04-22   
281-984 1 Apollo TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-06-25   
281-984 2 Apollo TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-05-24   
281-984 3 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   
281-984 4 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-28   
281-984 5 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-28   
281-984 6 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-09-30   
281-984 7 Apollo TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2007-02-16   
281-984 8 Apollo TX   515J IP HORIZON LLC 560   2013-08-12   
281-984 9 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-20   
281-985 A Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 0 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 1 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-11-11   
281-985 2 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 3 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 4 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 5 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-11-11   
281-985 6 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 7 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 8 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-985 9 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-11-11   
281-986 A Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 0 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-09   
281-986 1 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 2 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 3 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 4 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 5 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 6 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 7 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-09   
281-986 8 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-986 9 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-09   
281-987 A Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 0 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 1 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 2 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 3 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 4 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-09   
281-987 5 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2012-10-09   
281-987 6 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 7 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 8 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-987 9 Houston Suburban TX HSTNTXADRP0  9533 SOUTHWESTERN BELL 560      
281-988 A Houston Suburban TX HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
281-989 A Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 0 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 1 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 2 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 3 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 4 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 5 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 6 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 7 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 8 Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-989 9 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-990 A Apollo TX HSTNTXAPDS0  9533 SOUTHWESTERN BELL 560      
281-990 0 Apollo TX HSTNTXAPDS0  9533 SOUTHWESTERN BELL 560      
281-990 1 Apollo TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-13   
281-990 2 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2007-07-29   
281-990 3 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-04-26   
281-990 4 Apollo TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2018-09-18   
281-990 5 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-02-15   
281-990 6 Apollo TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-27   
281-990 7 Apollo TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-02   
281-990 8 Apollo TX HSTNTXAPDS0  9533 SOUTHWESTERN BELL 560      
281-990 9 Apollo TX HSTNTXAPDS0  9533 SOUTHWESTERN BELL 560      
281-991 A Houston Suburban TX HSTNTXEERS0  9533 SOUTHWESTERN BELL 560      
281-992 A Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 0 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 1 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 2 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 3 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 4 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 5 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 6 Friendswood TX   145J TERRA NOVA TELECOM INC. 560   2021-01-26   
281-992 7 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 8 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-992 9 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-993 A Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-993 0 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-993 1 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      
281-993 2 Friendswood TX HSTNTXFRDS0  9533 SOUTHWESTERN BELL 560      

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

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