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]

NXX: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-534 A Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-534 0 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-534 1 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-534 2 Tomball TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-534 3 Tomball TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-534 4 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-534 5 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-534 6 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-534 7 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-534 8 Tomball TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-534 9 Tomball TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.