Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Oakdale, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-369 A OKDLTNXARS0  0565 HIGHLAND TEL. COOP, INC. 474      
423-792 A KNVNTNEC8MD  490J DISH WIRELESS, LLC 474   2024-04-26   
423-792 0 KNVNTNEC8MD  490J DISH WIRELESS, LLC 474   2024-04-26   
423-792 1   792K CHARTER IP ENABLED SERVICES, LLC 474   2025-12-21   
423-792 3 KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2024-11-01   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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