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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-447 A Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-02-23   
346-447 0 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2020-11-29   
346-447 1 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-09-02   
346-447 2 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-31   
346-447 3 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-31   
346-447 4 Cleveland TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-447 5 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-31   
346-447 6 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-30   
346-447 7 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-11-30   
346-447 8 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-02-18   
346-447 9 Cleveland TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-25   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.