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.

Tomball, TX

<< 1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
346-534 3 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-02-26   
346-534 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 8 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-04-17   
346-534 9 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-04-11   
346-572 A HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-572 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-572 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-572 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-572 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-15   
346-572 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-15   
346-572 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-15   
346-572 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-09-03   
346-572 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-09-03   
346-572 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-15   
346-572 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-08-26   
346-598 A HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-598 0 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-598 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-12-17   
346-598 8 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-598 9 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-645 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-645 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-03-18   
346-645 1 HSTNTXYAHMD  073H TELNYX LLC 560   2021-03-19   
346-645 2 HSTNTXYAOMD  515J IP HORIZON LLC 560   2021-03-21   
346-645 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-645 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-02-18   
346-645 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-645 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-645 7 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-645 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-645 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-06   
346-695 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-695 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
346-695 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   

<< 1 2 3 4 5 6 7 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.