Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-250 A Cleveland TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      
423-407 A Spring City TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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