Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 868

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-868 A Mosheim TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-868 0 Mosheim TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-03-05   
423-868 2 Mosheim TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2023-10-23   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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