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: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-568 A Cove OR COVEORXXRS1  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
541-568 0 Cove OR LAGRORAYDS0  0760 PRIORITYONE TELECOMMUNICATIONS, INC. - OR 672   2012-03-24   
541-568 1 Cove OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-13   
541-568 2 Cove OR LAGRORXBBMD  750E ONVOY, LLC - OR 672   2012-12-31   
541-568 3 Cove OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2014-02-17   
541-568 4 Cove OR COVEORXXRS1  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
541-568 5 Cove OR LAGRORXBBMD  750E ONVOY, LLC - OR 672   2019-01-24   
541-568 6 Cove OR LAGRORXBBMD  750E ONVOY, LLC - OR 672   2007-05-28   
541-568 7 Cove OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-13   
541-568 8 Cove OR LAGRORXBBMD  750E ONVOY, LLC - OR 672   2019-09-21   
541-568 9 Cove OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.