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: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-346 A Portland OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
971-346 0 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2019-05-05   
971-346 1 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2019-05-05   
971-346 2 Portland OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2019-01-18   
971-346 3 Portland OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2019-01-18   
971-346 4 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2019-02-18   
971-346 5 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2019-03-19   
971-346 6 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2019-06-05   
971-346 7 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2020-02-08   
971-346 8 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2020-02-08   
971-346 9 Portland OR PTLDOR13XDX  478J NUSO, LLC 672   2020-06-22   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.