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: 960

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-960 A Chattanooga TN   276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 472   2025-04-20   
423-960 0 Chattanooga TN   276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 472   2025-04-20   

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

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