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: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-998 A Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474      
423-998 6 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 7 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 8 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 9 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   

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

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