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.

Switch: PTLDOR13DS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-369 A Battle Ground WA 453J CORETEL WASHINGTON, INC. - WA 672      
458-228 A Sumpter OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
541-800 A Stanfield OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
971-256 A Portland OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
971-289 A Dallas OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
971-342 A Cannon Beach OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
971-703 A Portland OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
971-704 A Astoria OR 157F PEERLESS NETWORK OF OREGON, LLC - OR 672      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.