Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CKVLTNNK0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
931-400 A Cookeville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 470      
931-559 A Cookeville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 470      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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