Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 615 [Rate centres in NPA 615] [Dial plan for NPA 615]

NXX: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
615-592 A Triune TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2025-04-14   
615-592 0 Triune TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2011-04-08   
615-592 1 Triune TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2014-08-25   
615-592 2 Triune TN   525E ONVOY, LLC - TN 470   2021-02-17   
615-592 3 Triune TN   624H ONVOY SPECTRUM, LLC 470   2023-06-12   
615-592 4 Triune TN   525E ONVOY, LLC - TN 470   2021-02-17   
615-592 5 Triune TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2010-03-04   
615-592 6 Triune TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2008-11-28   
615-592 7 Triune TN   516C AT&T CORP. 470   2011-06-01   
615-592 8 Triune TN   508J CENTURYLINK COMMUNICATIONS, LLC 470   2014-03-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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