Local Calling Guide

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Houston, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-216 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-217 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-220 A HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-220 0   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-220 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-09-21   
281-220 2   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-220 3   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-220 4   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-220 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-07-09   
281-220 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-06-15   
281-220 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-04-03   
281-220 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-05-06   
281-220 9   6701 AERIAL COMMUNICATIONS, INC. 560   2003-04-28   
281-221 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-222 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-224 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-225 A HSTOTXORDS1  2091 ETS TELEPHONE COMPANY, INC. 560      
281-228 A HSTNTXCLDS0  9533 SOUTHWESTERN BELL 560      
281-236 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-250 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-254 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-254 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-22   
281-254 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-22   
281-254 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-22   
281-254 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-22   
281-254 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-22   
281-254 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-22   
281-254 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-19   
281-254 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2012-05-13   
281-254 8   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2012-05-13   
281-254 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2011-08-19   
281-266 A SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-267 A SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-268 A SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-300 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
281-300 0   5562 METROPCS, INC. 560      
281-300 1   5562 METROPCS, INC. 560      
281-300 2   5562 METROPCS, INC. 560      
281-300 3   5562 METROPCS, INC. 560      
281-300 4   5562 METROPCS, INC. 560      
281-300 5   5562 METROPCS, INC. 560      
281-300 6   5562 METROPCS, INC. 560      
281-300 7   5562 METROPCS, INC. 560      
281-300 8   5562 METROPCS, INC. 560      
281-300 9   6701 AERIAL COMMUNICATIONS, INC. 560      
281-352 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-365 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-365 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-365 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-06-22   
281-380 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-381 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-382 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-384 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-386 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-387 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-389 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-390 A HSTNTXRIDS0  9533 SOUTHWESTERN BELL 560      
281-404 A HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 0   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 1   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 2   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-06-17   
281-404 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-06-17   
281-404 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-11-13   
281-404 6   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 7   829J PAETEC ITEL, LLC 560   2006-06-17   
281-404 8   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-04-01   
281-407 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-407 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 1   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 4   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 5   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 6   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 7   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 8   903C ONVOY, LLC - TX 560   2011-07-12   
281-407 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-409 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-409 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-28   
281-409 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-28   
281-409 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-28   
281-409 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-01-25   
281-409 4   6701 AERIAL COMMUNICATIONS, INC. 560   2008-02-18   
281-409 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-10-26   
281-409 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-12   
281-409 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-14   
281-409 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-25   
281-409 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2007-11-25   
281-413 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-414 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      

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

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