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: 669

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-669 A Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-669 2 Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2023-10-14   
423-669 7 Benton TN   114J EXIANT COMMUNICATIONS LLC 472   2026-10-16   
423-669 9 Benton TN   145J TERRA NOVA TELECOM INC. 472   2025-11-22   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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