Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-860 8 Houston TX   490J DISH WIRELESS, LLC 560   2025-08-13   
346-860 9 Houston TX   490J DISH WIRELESS, LLC 560   2025-08-13   
346-861 A Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-13   
346-861 0 Bammel TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-09-14   
346-861 1 Bammel TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-09-14   
346-861 2 Bammel TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-09-14   
346-861 3 Bammel TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-10-17   
346-861 4 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-01-04   
346-861 5 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-01-04   
346-861 6 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-01-04   
346-861 7 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-13   
346-861 8 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-13   
346-861 9 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-13   
346-862 A Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 0 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-862 1 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 2 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 3 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 4 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 5 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 6 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 7 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 8 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 9 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-863 A Houston TX   733J WIRETAP TELECOM, LLC. 560   2025-05-12   
346-863 0 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 1 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 2 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 3 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 4 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 5 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 6 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2025-06-20   
346-863 7 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-863 8 Houston TX   733J WIRETAP TELECOM, LLC. 560   2025-05-12   
346-863 9 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-864 A Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-864 0 Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-864 1 Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-864 2 Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-864 3 Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-864 4 Dickinson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-02   
346-864 8 Dickinson TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-09-06   
346-865 A Satsuma TX   624H ONVOY SPECTRUM, LLC 560   2025-06-09   
346-865 0 Satsuma TX   624H ONVOY SPECTRUM, LLC 560   2025-06-09   
346-865 1 Satsuma TX   624H ONVOY SPECTRUM, LLC 560   2025-06-09   
346-865 2 Satsuma TX   624H ONVOY SPECTRUM, LLC 560   2025-06-09   
346-865 3 Satsuma TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-10   
346-865 4 Satsuma TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-10   
346-865 5 Satsuma TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-10   
346-865 6 Satsuma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-865 7 Satsuma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-866 A Valley Lodge TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-866 0 Valley Lodge TX HSTNTXYAHMD  073H TELNYX LLC 560   2023-02-17   
346-866 1 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2021-08-30   
346-866 3 Valley Lodge TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-12-04   
346-866 4 Valley Lodge TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-866 5 Valley Lodge TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-12-04   
346-866 6 Valley Lodge TX HSTNTXJAXBY  965H FRACTEL, LLC 560   2021-07-11   
346-866 7 Valley Lodge TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-12   
346-866 8 Valley Lodge TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-12   
346-866 9 Valley Lodge TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-04-11   
346-867 A Houston TX HSTNTX362MD  939H COMMIO, LLC 560      
346-867 0 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-25   
346-867 1 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-05-14   
346-867 2 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-01-07   
346-867 3 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-01-07   
346-867 4 Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-01-27   
346-867 5 Houston TX HSTNTX362MD  939H COMMIO, LLC 560   2016-12-24   
346-867 6 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-05-14   
346-867 7 Houston TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2016-12-26   
346-867 8 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-06-04   
346-867 9 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-06-04   
346-868 A Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 0 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 1 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 2 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 3 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 4 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 5 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 6 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 7 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 8 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-868 9 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-06-05   
346-869 A Houston Suburban TX   490J DISH WIRELESS, LLC 560   2025-06-19   
346-869 0 Houston Suburban TX   490J DISH WIRELESS, LLC 560   2025-06-19   
346-869 1 Houston Suburban TX   490J DISH WIRELESS, LLC 560   2025-07-21   
346-869 2 Houston Suburban TX   490J DISH WIRELESS, LLC 560   2025-08-20   
346-869 3 Houston Suburban TX   616J LEAP TELECOM, LLC 560   2025-07-06   
346-869 4 Houston Suburban TX   616J LEAP TELECOM, LLC 560   2025-07-06   
346-869 5 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-869 6 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-869 7 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-869 8 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-869 9 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-870 A Langham Creek TX   490J DISH WIRELESS, LLC 560   2025-07-07   
346-870 0 Langham Creek TX   490J DISH WIRELESS, LLC 560   2025-07-07   
346-870 1 Langham Creek TX   490J DISH WIRELESS, LLC 560   2025-08-21   
346-870 2 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-870 3 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-870 4 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 >>

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.