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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-999 8 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-10-28   
423-999 9 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-14   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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