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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-645 5 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-645 6 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-645 7 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-645 8 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-645 9 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-646 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-646 0 Houston TX HSTNTXYAHMD  073H TELNYX LLC 560   2021-02-15   
346-646 1 Houston TX HSTNTXYAHMD  073H TELNYX LLC 560   2021-02-15   
346-646 2 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-646 3 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 4 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 7 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-11   
346-646 8 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-646 9 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-647 A Stafford TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560      
346-647 4 Stafford TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2022-03-17   
346-647 5 Stafford TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2022-08-27   
346-648 A Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-648 0 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 1 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 2 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 3 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 4 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 5 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 6 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 7 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 8 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-648 9 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 A Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-649 0 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 1 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 2 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 3 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 4 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 5 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 6 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 7 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 8 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-649 9 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-03-17   
346-650 A Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-650 0 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 1 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 2 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 3 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 4 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 5 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 6 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 7 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 8 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-650 9 Valley Lodge TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2023-06-22   
346-651 A Houston TX HSTNTXJAXOY  436J HADLO TECHNOLOGIES, LLC 560      
346-651 0 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-09-22   
346-651 1 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-09-22   
346-651 2 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-10   
346-651 3 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-10   
346-651 4 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-09-15   
346-651 5 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-09-15   
346-651 6 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-09-15   
346-651 7 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-09-15   
346-651 8 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-09-15   
346-651 9 Houston TX HSTNTXJAXOY  436J HADLO TECHNOLOGIES, LLC 560   2023-07-07   
346-652 A Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-652 0 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 1 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 2 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 3 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 4 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 5 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 6 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 7 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 8 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-652 9 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-22   
346-653 A Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-653 0 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 1 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 2 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 3 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 4 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 5 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 6 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 7 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 8 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-653 9 Dickinson TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-06-23   
346-654 A Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-654 0 Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-08-07   
346-654 1 Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-09-22   
346-654 2 Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-06-22   
346-654 3 Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-03-24   
346-654 5 Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-02-20   
346-654 6 Pinehurst TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-02-20   
346-654 7 Pinehurst TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2025-01-16   
346-655 A Rosharon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-655 0 Rosharon TX HSTNTX362MD  939H COMMIO, LLC 560   2021-11-18   
346-655 1 Rosharon TX HSTNTX362MD  939H COMMIO, LLC 560   2021-11-18   
346-655 2 Rosharon TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-07-01   
346-655 3 Rosharon TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2022-12-27   
346-655 4 Rosharon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-14   
346-655 5 Rosharon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-14   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.