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.

Grass Valley, OR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
458-746 A PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
458-746 0 PTLDORWAX7Y  073H TELNYX LLC 672      
458-746 1 THDLORXAFMD  750E ONVOY, LLC - OR 672      
458-746 2 THDLORXAFMD  750E ONVOY, LLC - OR 672      
458-746 3 THDLORXAFMD  750E ONVOY, LLC - OR 672      
458-746 4 THDLORXAFMD  750E ONVOY, LLC - OR 672      
458-746 7 PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
541-333 A GRVYORXARS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-394 A PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
541-394 0 PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
541-394 1 PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
541-394 3 THDLORXAFMD  750E ONVOY, LLC - OR 672      
541-394 4 PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
541-394 5 THDLORXAFMD  750E ONVOY, LLC - OR 672      
541-394 6 THDLORXAFMD  750E ONVOY, LLC - OR 672      
541-394 7 PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672      
541-394 8 THDLORXAFMD  750E ONVOY, LLC - OR 672      
541-394 9 THDLORXAFMD  750E ONVOY, LLC - OR 672      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.