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: 786

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-786 A Bluff City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-786 0 Bluff City TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2026-02-14   
423-786 2 Bluff City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2023-10-14   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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