Local Calling Guide

Area code/prefix search

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Seabrook, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-291 A HSTNTXSERS1  9533 SOUTHWESTERN BELL 560      
281-474 A HSTNTXSERS1  9533 SOUTHWESTERN BELL 560      
281-694 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 4 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-08-08   
281-694 5 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-09-10   
281-694 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 7 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-17   
281-694 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-694 9 BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2022-06-19   
281-909 A HSTNTXSERS1  9533 SOUTHWESTERN BELL 560      
281-909 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-909 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-909 2 HSTNTXSERS1  9533 SOUTHWESTERN BELL 560      
281-909 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-23   
281-909 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-07-23   
281-909 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-23   
281-909 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-07   
281-909 7 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-909 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2003-10-01   
281-909 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-07   
281-942 A HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-942 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2013-04-26   
281-942 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-01-10   
281-942 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-01-10   
281-942 3 HSTNTX01X7X  516C AT&T CORP. 560   2011-02-05   
281-942 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-02-03   
281-942 5 HSTATX750MD  829J PAETEC ITEL, LLC 560   2009-09-06   
281-942 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2012-06-18   
281-942 7 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-05-12   
281-942 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-02-14   
281-942 9 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2007-02-16   
346-361 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-361 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2019-04-20   
346-361 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-11   
346-361 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-11   
346-361 3 HSTNTXJAX3Y  073H TELNYX LLC 560   2019-08-09   
346-361 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-23   
346-361 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-23   
346-361 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2018-10-14   
346-361 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2018-10-14   
346-361 9 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2018-10-15   
346-487 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-487 0 BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-11-26   
346-487 1 BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-11-26   
346-487 2 BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-487 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-22   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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