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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
346-753 A HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-753 0 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 1 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 2 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 3 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 4 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 5 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 6 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 7 HSTNTX362MD  939H COMMIO, LLC 560      
346-753 8   903C ONVOY, LLC - TX 560      
346-753 9   903C ONVOY, LLC - TX 560      
346-765 A   624H ONVOY SPECTRUM, LLC 560   2024-03-11   
346-765 0   624H ONVOY SPECTRUM, LLC 560      
346-765 1   624H ONVOY SPECTRUM, LLC 560      
346-765 2   624H ONVOY SPECTRUM, LLC 560      
346-765 3   624H ONVOY SPECTRUM, LLC 560      
346-765 4   624H ONVOY SPECTRUM, LLC 560      
346-765 5   624H ONVOY SPECTRUM, LLC 560      
346-765 6   624H ONVOY SPECTRUM, LLC 560      
346-765 7   624H ONVOY SPECTRUM, LLC 560      
346-765 8   903C ONVOY, LLC - TX 560      
346-765 9   903C ONVOY, LLC - TX 560      
346-794 A   903C ONVOY, LLC - TX 560   2024-06-03   
346-794 0   903C ONVOY, LLC - TX 560      
346-794 1   004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-794 2   004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-794 3   004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-794 6   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
346-794 7   073H TELNYX LLC 560      
346-794 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-794 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-808 A HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-808 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-808 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-808 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-808 3 HSTNTX01X7X  516C AT&T CORP. 560      
346-808 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-808 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-808 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-808 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-808 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-808 9   515J IP HORIZON LLC 560      
713-810 A HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 0 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 1 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 2 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 3 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 4 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 5 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 6 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 7 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 8 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-810 9 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
832-422 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-422 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-422 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-422 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-422 3 HSTNTX01X7X  516C AT&T CORP. 560      
832-422 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-422 5 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-422 6 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-422 7 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-422 8 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-422 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-559 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-559 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-559 1 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-559 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-559 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-559 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-559 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-559 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-559 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-559 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-559 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-639 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-639 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-639 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-639 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-639 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-639 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-639 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-639 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-639 7 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-639 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-639 9 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-697 A HSTXTX152MD  6630 USA MOBILITY WIRELESS, INC. 560      
832-717 A TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
832-717 0 TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
832-717 1 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
832-717 2 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
832-717 3 TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
832-717 4 TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
832-717 5 TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
832-717 6 HSTNTX01X7X  516C AT&T CORP. 560      
832-717 7 TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
832-717 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-717 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-761 A HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
832-761 0 HSTNTX01X7X  516C AT&T CORP. 560      

<< 1 2 3 4 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.