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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-407 A Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
541-407 0 Lakeview OR CSBYORXXIMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2022-11-21   
541-407 1 Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-12-14   
541-407 2 Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-12-14   
541-407 3 Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-12-14   
541-407 4 Lakeview OR   660C HUNTER CONSTRUCTION, INC. DBA HUNTER COMMS - OR 670   2015-08-07   
541-407 5 Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2019-09-20   
541-407 6 Lakeview OR EUGNOR53XUX  624H ONVOY SPECTRUM, LLC 670   2021-07-24   
541-407 7 Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2008-03-10   
541-407 8 Lakeview OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2010-12-20   
541-407 9 Lakeview OR EUGNOR53XUX  624H ONVOY SPECTRUM, LLC 670   2022-01-09   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.