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: 935

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-935 A New Tazewell TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2025-05-25  2025-06-15 

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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