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: 955

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-955 A Whitwell TN CHTGTNNSXPZ  965H FRACTEL, LLC 472      
423-955 0 Whitwell TN CHTGTNNSXJZ  073H TELNYX LLC 472   2021-01-23   
423-955 1 Whitwell TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2023-06-17   
423-955 2 Whitwell TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-07-11   
423-955 3 Whitwell TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-07-11   
423-955 5 Whitwell TN CHTGTNNSXPZ  965H FRACTEL, LLC 472   2020-09-12   
423-955 6 Whitwell TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-03-15   
423-955 9 Whitwell TN   145J TERRA NOVA TELECOM INC. 472   2025-11-22   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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