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: 845

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-845 A Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-12-20   
346-845 0 Houston TX   073H TELNYX LLC 560      
346-845 6 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-845 7 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-845 8 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-845 9 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.