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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-576 A Silver Lake OR SLLKORXXRS0  2360 CENTURYTEL OF OREGON, INC. DBA CENTURYLINK 672      
541-576 0 Silver Lake OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-15   
541-576 1 Silver Lake OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-15   
541-576 2 Silver Lake OR SLLKORXXRS0  2360 CENTURYTEL OF OREGON, INC. DBA CENTURYLINK 672      
541-576 3 Silver Lake OR SLLKORXXRS0  2360 CENTURYTEL OF OREGON, INC. DBA CENTURYLINK 672      
541-576 4 Silver Lake OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2008-08-30   
541-576 5 Silver Lake OR PTLDOR13XGX  506J TWILIO INTERNATIONAL, INC. 672   2021-01-15   
541-576 6 Silver Lake OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-11-27   
541-576 7 Silver Lake OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2008-09-21   
541-576 8 Silver Lake OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2011-07-06   
541-576 9 Silver Lake OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2014-08-05   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.