Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-635 A Toledo OR   792K CHARTER IP ENABLED SERVICES, LLC 670   2025-03-05   
541-635 0 Toledo OR   792K CHARTER IP ENABLED SERVICES, LLC 670   2008-03-03   
541-635 1 Toledo OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 670   2021-07-08   
541-635 2 Toledo OR   076F BANDWIDTH.COM CLEC, LLC - OR 670   2011-10-21   
541-635 3 Toledo OR   750E ONVOY, LLC - OR 670   2012-12-14   
541-635 4 Toledo OR   750E ONVOY, LLC - OR 670   2012-12-14   
541-635 5 Toledo OR   750E ONVOY, LLC - OR 670   2014-01-02   
541-635 6 Toledo OR   624H ONVOY SPECTRUM, LLC 670   2021-04-26   
541-635 7 Toledo OR   750E ONVOY, LLC - OR 670   2014-01-02   
541-635 8 Toledo OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 670   2023-09-21   
541-635 9 Toledo OR   750E ONVOY, LLC - OR 670   2012-09-26   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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