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: 815

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-815 A Apollo TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-815 0 Apollo TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-815 1 Apollo TX   515J IP HORIZON LLC 560      
346-815 2 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-815 3 Apollo TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-815 4 Apollo TX HSTNTXJAX3Y  073H TELNYX LLC 560      
346-815 5 Apollo TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-815 6 Apollo TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-815 7 Apollo TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-815 8 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-815 9 Apollo 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.