Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   
931-479 1 Clarksville TN   525E ONVOY, LLC - TN 470   2026-04-11   
931-479 4 Clarksville TN   321J HD CARRIER LLC 470   2026-03-23   
931-479 5 Clarksville TN   321J HD CARRIER LLC 470   2026-03-23   
931-479 6 Clarksville TN   321J HD CARRIER LLC 470   2026-03-23   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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