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: 996

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-996 A Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-11-22   
423-996 6 Charleston TN   145J TERRA NOVA TELECOM INC. 472   2025-11-24   
423-996 9 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-11-22   

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

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