Local Calling Guide

Area code/prefix search

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

NXX: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-318 A Viola TN   792K CHARTER IP ENABLED SERVICES, LLC 470      
931-318 1 Viola TN   792K CHARTER IP ENABLED SERVICES, LLC 470   2015-11-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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