Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-404 7 Houston TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2006-06-17   
281-404 8 Houston TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 9 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-04-01   
281-405 A Houston Suburban TX HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-406 A Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-12-12   
281-406 0 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 1 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 2 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-406 3 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 4 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-406 5 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-406 6 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-406 7 Houston Suburban TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-02-13   
281-406 8 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-11-22   
281-406 9 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-407 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-407 0 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 1 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 2 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 3 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 4 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 5 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 6 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 7 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 8 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-07-12   
281-407 9 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-408 A Bammel TX HSTNTXGPDS0  9533 SOUTHWESTERN BELL 560      
281-408 0 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-08-14   
281-408 1 Bammel TX HSTNTXGPDS0  9533 SOUTHWESTERN BELL 560      
281-408 2 Bammel TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-03-14   
281-408 3 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-08-14   
281-408 4 Bammel TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-07-25   
281-408 5 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-08-14   
281-408 6 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-08-14   
281-408 7 Bammel TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2005-08-14   
281-408 8 Bammel TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2005-08-14   
281-408 9 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-08-14   
281-409 A Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-409 0 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-28   
281-409 1 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-28   
281-409 2 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-28   
281-409 3 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-01-25   
281-409 4 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2008-02-18   
281-409 5 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-26   
281-409 6 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-12   
281-409 7 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-14   
281-409 8 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-25   
281-409 9 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-25   
281-410 A Stafford TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-410 0 Stafford TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-410 1 Stafford TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-03-18   
281-410 2 Stafford TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-06-24   
281-410 3 Stafford TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-410 4 Stafford TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-11-14   
281-410 5 Stafford TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-410 6 Stafford TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2004-05-15   
281-410 7 Stafford TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-410 8 Stafford TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-11-18   
281-410 9 Stafford TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-11-14   
281-412 A Houston Suburban TX HSTNTXPEDS1  9533 SOUTHWESTERN BELL 560      
281-413 A Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-414 A Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-415 A Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-416 A Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-416 0 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-416 1 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-416 2 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-416 3 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-01-22   
281-416 4 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2006-04-18   
281-416 5 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2007-02-21   
281-416 6 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2014-11-24   
281-416 7 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-416 8 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-416 9 Houston Suburban TX HSTNTXBWDS0  9533 SOUTHWESTERN BELL 560      
281-417 A La Porte TX HSTQTX02XMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 560      
281-417 0 La Porte TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-27   
281-417 1 La Porte TX HSTQTX02XMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 560      
281-417 2 La Porte TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-417 3 La Porte TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-417 4 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-30   
281-417 5 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
281-417 6 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-30   
281-417 7 La Porte TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2003-09-08   
281-417 8 La Porte TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-03-18   
281-417 9 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-05   
281-418 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-419 A Spring TX SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-420 A Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-421 A Baytown TX BYTWTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-422 A Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-423 A Bammel TX HSTNTXGPDS0  9533 SOUTHWESTERN BELL 560      
281-424 A Baytown TX BYTWTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 A Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 0 Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 1 Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 2 Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 3 Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 4 Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 5 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-03   
281-425 6 Baytown TX BYTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.