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: 756

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-756 A Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 0 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 1 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 2 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 3 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 4 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 5 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 6 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 7 Spring TX HSTNTX362MD  939H COMMIO, LLC 560   2024-02-23   
346-756 8 Spring TX   903C ONVOY, LLC - TX 560   2024-02-24   
346-756 9 Spring TX   903C ONVOY, LLC - TX 560   2024-02-24   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.