Local Calling Guide

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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
346-710 0 Baytown TX HSTNTXJAX6Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-12-08   
346-710 1 Baytown TX HSTNTXJAX6Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-12-08   
346-710 2 Baytown TX HSTNTXJAX6Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-29   
346-710 3 Baytown TX HSTNTXJAX6Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-29   
346-710 4 Baytown TX HSTNTXJAX6Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-29   
346-710 5 Baytown TX HSTNTXJAX6Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-29   
346-710 6 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-04   
346-710 7 Baytown TX BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2019-12-07   
346-710 8 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-04   
346-710 9 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-04   
346-712 A Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-712 0 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-07-18   
346-712 1 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-07-18   
346-712 2 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-17   
346-712 3 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-17   
346-712 4 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-18   
346-712 5 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-09   
346-712 6 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-29   
346-712 7 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-10-23   
346-712 8 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-09-17   
346-712 9 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-10-23   
346-713 A Smithers Lake TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-713 0 Smithers Lake TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-10-06   
346-713 1 Smithers Lake TX   903C ONVOY, LLC - TX 560   2025-03-09   
346-713 2 Smithers Lake TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-08-19   
346-713 3 Smithers Lake TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-08-19   
346-713 4 Smithers Lake TX   515J IP HORIZON LLC 560   2025-05-04   
346-713 5 Smithers Lake TX   515J IP HORIZON LLC 560   2025-05-04   
346-713 6 Smithers Lake TX HSTNTX01MMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-10-14   
346-713 7 Smithers Lake TX   903C ONVOY, LLC - TX 560   2025-11-28   
346-713 8 Smithers Lake TX HSTNTXYAOMD  515J IP HORIZON LLC 560   2024-01-03   
346-713 9 Smithers Lake TX HSTNTXYAOMD  515J IP HORIZON LLC 560   2024-01-03   
346-714 A Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-714 0 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 1 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 2 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 3 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 4 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 5 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 6 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 7 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 8 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-714 9 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-715 A Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-715 0 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-715 1 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-715 2 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-715 3 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-715 4 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   
346-715 5 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-06-13   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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