Local Calling Guide

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NPA: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-479 A Clarksville TN   525E ONVOY, LLC - TN 470   2026-03-20   
931-479 0 Clarksville TN   525E ONVOY, LLC - TN 470   2026-03-20   

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

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