Local Calling Guide

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Houston, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
346-234 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-237 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-237 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-09-30   
346-237 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-10-07   
346-237 2   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-06-05   
346-237 3   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-06-05   
346-237 4   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-237 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-237 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-10-21   
346-237 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-07-13   
346-237 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-237 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-238 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-238 0   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 1   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 2   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 3   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 4   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 5   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 6   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 7   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 8   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 9   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-240 A HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-240 0   6701 AERIAL COMMUNICATIONS, INC. 560   2015-09-12   
346-240 1   516C AT&T CORP. 560   2015-08-07   
346-240 2   318J COMCAST IP PHONE, LLC 560   2015-08-06   
346-240 3   318J COMCAST IP PHONE, LLC 560   2015-08-06   
346-240 4   516C AT&T CORP. 560   2015-08-07   
346-240 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2015-08-07   
346-240 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2015-08-07   
346-240 7   6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-240 8   6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-240 9   516C AT&T CORP. 560   2015-08-07   
346-241 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-241 0   903C ONVOY, LLC - TX 560   2016-08-05   
346-241 1   903C ONVOY, LLC - TX 560   2016-08-05   
346-241 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-07-18   
346-241 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-08-02   
346-241 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-12-09   
346-241 7   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-16   
346-241 8   903C ONVOY, LLC - TX 560   2016-09-16   
346-241 9   903C ONVOY, LLC - TX 560   2016-09-16   
346-247 A   903C ONVOY, LLC - TX 560      
346-247 0   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-247 1   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-247 2   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-07-12   
346-247 3   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-07-12   
346-247 4   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-247 5   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-247 6   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-247 7   903C ONVOY, LLC - TX 560   2014-07-01   
346-247 8   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-247 9   6701 AERIAL COMMUNICATIONS, INC. 560   2014-08-08   
346-250 A HSTQTX02EMD  197D VONAGE AMERICA LLC 560      
346-250 0   197D VONAGE AMERICA LLC 560   2017-07-02   
346-250 1   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-250 2   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-250 3   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-250 4   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-07-08   
346-250 5   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-250 6   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-250 7   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-250 8   197D VONAGE AMERICA LLC 560   2017-07-09   
346-250 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-256 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-256 0   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 1   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 2   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 3   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 4   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 5   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 6   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 7   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-256 8   515J IP HORIZON LLC 560   2017-07-14   
346-256 9   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   
346-262 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-262 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-07-16   
346-262 1   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-06-04   
346-262 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-06-27   
346-262 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-06-27   
346-262 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-07-11   
346-262 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-07-11   
346-262 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-07-11   
346-262 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-06-22   
346-262 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-06-22   
346-262 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-06-19   
346-265 A HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
346-265 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-16   
346-265 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-09-05   
346-265 2   9533 SOUTHWESTERN BELL 560   2017-08-17   
346-265 3   9533 SOUTHWESTERN BELL 560   2017-08-17   
346-265 4   9533 SOUTHWESTERN BELL 560   2017-08-17   
346-265 5   9533 SOUTHWESTERN BELL 560   2017-08-17   
346-265 6   9533 SOUTHWESTERN BELL 560   2017-08-17   
346-265 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-09-05   
346-265 8   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-09-05   

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

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