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: 729

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-729 A Fall Creek Falls TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2025-03-11   
423-729 1 Fall Creek Falls TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2024-11-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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