Local Calling Guide

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Chestnut Mound, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
615-897 A GNBOTNXADS1  0579 TWIN LAKES TEL. COOP. CORP. 470      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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