Local Calling Guide

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Houston, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-833 A   903C ONVOY, LLC - TX 560      
281-833 0   903C ONVOY, LLC - TX 560      
281-833 1   903C ONVOY, LLC - TX 560      
281-833 2   903C ONVOY, LLC - TX 560      
281-833 3   903C ONVOY, LLC - TX 560      
281-833 4   903C ONVOY, LLC - TX 560      
281-833 5   903C ONVOY, LLC - TX 560      
281-833 6   903C ONVOY, LLC - TX 560      
281-833 7   145J TERRA NOVA TELECOM INC. 560   2025-11-05   
281-833 8   903C ONVOY, LLC - TX 560      
281-833 9   903C ONVOY, LLC - TX 560      
281-840 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-840 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-21   
281-840 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-21   
281-840 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-21   
281-840 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-21   
281-840 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-05-20   
281-840 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-05-20   
281-840 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-05-20   
281-840 7   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
281-840 8   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
281-840 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-21   
281-841 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-841 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-02-25   
281-841 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-02-25   
281-841 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-02-26   
281-841 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-02-26   
281-841 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-841 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-841 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-841 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-841 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-841 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-844 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-846 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2024-02-09   
281-846 0   6701 AERIAL COMMUNICATIONS, INC. 560   2010-01-23   
281-846 1   903C ONVOY, LLC - TX 560   2009-12-18   
281-846 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2009-08-24   
281-846 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2009-08-24   
281-846 4   004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-11-21   
281-846 5   004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-11-21   
281-846 6   516C AT&T CORP. 560   2009-12-29   
281-846 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2009-07-20   
281-846 8   6701 AERIAL COMMUNICATIONS, INC. 560   2003-10-01   
281-846 9   6701 AERIAL COMMUNICATIONS, INC. 560   2013-07-26   
281-851 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-857 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-857 0   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 1   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 2   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 3   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 4   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 5   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-08   
281-857 7   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-857 8   903C ONVOY, LLC - TX 560   2005-05-12   
281-857 9   6701 AERIAL COMMUNICATIONS, INC. 560   2005-06-12   
281-865 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-865 0   5562 METROPCS, INC. 560   2007-11-06   
281-865 1   5562 METROPCS, INC. 560   2007-11-06   
281-865 2   5562 METROPCS, INC. 560   2007-11-06   
281-865 3   5562 METROPCS, INC. 560   2007-11-06   
281-865 4   5562 METROPCS, INC. 560   2007-11-06   
281-865 5   5562 METROPCS, INC. 560   2007-08-13   
281-865 6   5562 METROPCS, INC. 560   2007-08-13   
281-865 7   5562 METROPCS, INC. 560   2007-08-13   
281-865 8   5562 METROPCS, INC. 560   2007-08-13   
281-865 9   6701 AERIAL COMMUNICATIONS, INC. 560   2007-08-13   
281-881 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-881 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-881 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-03-17   
281-888 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-888 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-01-31   
281-888 1   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 2   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 3   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 4   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 5   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 6   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 7   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-888 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-10-10   
281-888 9   318J COMCAST IP PHONE, LLC 560   2007-09-03   
281-889 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-889 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-07-10   
281-889 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-07-20   
281-889 2   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-24   
281-889 3   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-24   
281-889 4   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-24   
281-889 5   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-24   
281-889 6   6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-24   
281-889 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-06-25   
281-889 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-06-25   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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