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: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-638 A Black Butte OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
541-638 0 Black Butte OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
541-638 1 Black Butte OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-638 2 Black Butte OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-638 3 Black Butte OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-638 4 Black Butte OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-638 5 Black Butte OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-638 6 Black Butte OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-638 7 Black Butte OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672      
541-638 8 Black Butte OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
541-638 9 Black Butte OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.