Local Calling Guide

Area code/prefix search

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

NXX: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-340 A Crossville TN NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470      
931-340 0 Crossville TN   204G TWIN LAKES COMMUNICATIONS, INC. - TN 470   2021-02-11   
931-340 1 Crossville TN   525E ONVOY, LLC - TN 470   2021-03-15   
931-340 2 Crossville TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2020-04-19   
931-340 3 Crossville TN   525E ONVOY, LLC - TN 470   2020-06-04   
931-340 4 Crossville TN   525E ONVOY, LLC - TN 470   2020-06-04   
931-340 5 Crossville TN   525E ONVOY, LLC - TN 470   2020-11-02   
931-340 6 Crossville TN   525E ONVOY, LLC - TN 470   2020-11-02   
931-340 7 Crossville TN   525E ONVOY, LLC - TN 470   2020-11-02   
931-340 8 Crossville TN   525E ONVOY, LLC - TN 470   2021-03-15   
931-340 9 Crossville TN   525E ONVOY, LLC - TN 470   2021-03-15   

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

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