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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-228 2 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 3 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 4 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 5 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 6 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 7 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 8 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 9 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-229 A Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-229 0 Houston Suburban TX   903C ONVOY, LLC - TX 560   2015-12-15   
346-229 1 Houston Suburban TX   903C ONVOY, LLC - TX 560   2015-12-15   
346-229 2 Houston Suburban TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-229 3 Houston Suburban TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-229 4 Houston Suburban TX   318J COMCAST IP PHONE, LLC 560   2015-08-14   
346-229 5 Houston Suburban TX   318J COMCAST IP PHONE, LLC 560   2015-10-20   
346-229 6 Houston Suburban TX   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2015-11-13   
346-229 7 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-08-16   
346-229 8 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-08-16   
346-229 9 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-01-22   
346-230 A Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 0 Apollo TX   903C ONVOY, LLC - TX 560   2016-04-14   
346-230 1 Apollo TX   903C ONVOY, LLC - TX 560   2016-04-14   
346-230 2 Apollo TX   903C ONVOY, LLC - TX 560   2016-04-22   
346-230 3 Apollo TX   903C ONVOY, LLC - TX 560   2016-04-22   
346-230 4 Apollo TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-07-17   
346-230 5 Apollo TX   903C ONVOY, LLC - TX 560   2018-04-23   
346-230 6 Apollo TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2018-01-02   
346-230 7 Apollo TX   318J COMCAST IP PHONE, LLC 560   2018-10-06   
346-230 8 Apollo TX   515J IP HORIZON LLC 560   2017-12-15   
346-230 9 Apollo TX   515J IP HORIZON LLC 560   2018-12-08   
346-231 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 0 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 1 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 2 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 3 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 4 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 5 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 6 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 7 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 8 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 9 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-232 A Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-232 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 1 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 2 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 3 Houston TX   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2016-03-14   
346-232 4 Houston TX   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2016-03-14   
346-232 5 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 6 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 7 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 8 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-232 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-03-15   
346-233 A Baytown TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560      
346-233 0 Baytown TX   903C ONVOY, LLC - TX 560   2016-05-02   
346-233 1 Baytown TX   903C ONVOY, LLC - TX 560   2016-05-02   
346-233 2 Baytown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-10-24   
346-233 3 Baytown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-10-24   
346-233 4 Baytown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-10-24   
346-233 5 Baytown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-10-24   
346-233 6 Baytown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-10-24   
346-233 7 Baytown TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-09-22   
346-233 8 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-23   
346-233 9 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-23   
346-234 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 0 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 1 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 2 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 3 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 4 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 5 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 6 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 7 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 8 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-234 9 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-235 A Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-235 0 Bammel TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-07-21   
346-235 1 Bammel TX   903C ONVOY, LLC - TX 560   2016-06-26   
346-235 2 Bammel TX   792K CHARTER IP ENABLED SERVICES, LLC 560   2016-07-23   
346-235 3 Bammel TX   318J COMCAST IP PHONE, LLC 560   2016-10-14   
346-235 4 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-30   
346-235 5 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-30   
346-235 6 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-30   
346-235 7 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-30   
346-235 8 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-30   
346-235 9 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-30   
346-236 A Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-236 0 Tomball TX   903C ONVOY, LLC - TX 560   2016-07-29   
346-236 1 Tomball TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-08-15   
346-236 2 Tomball TX   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2016-10-14   
346-236 3 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-236 4 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-29   
346-236 5 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-11   
346-236 6 Tomball TX   318J COMCAST IP PHONE, LLC 560   2016-06-19   
346-236 7 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-11   
346-236 8 Tomball TX   516C AT&T CORP. 560   2016-09-12   
346-236 9 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-06-18   
346-237 A Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-237 0 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-09-30   
346-237 1 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-10-07   
346-237 2 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-06-05   

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

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