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
832-761 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-10-22   
832-761 8 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-05-26   
832-761 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2014-04-25   
832-843 A HSTWTXBIDS0  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 560      
832-843 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-843 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-09-26   
832-843 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-09-26   
832-843 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2020-09-28   
832-843 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2020-09-28   
832-843 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-07-10   
832-843 6 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2012-10-26   
832-843 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2012-10-31   
832-843 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-01-10   
832-843 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-01-10   
832-953 A HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-953 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2015-01-18   
832-953 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2015-01-18   
832-953 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-11-22   
832-953 3 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-02-19   
832-953 4 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-02-19   
832-953 5 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-02-19   
832-953 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-16   
832-953 7 HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-19   
832-953 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-16   
832-953 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-16   

<< 1 2 3 4 5 6 7

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.