Local Calling Guide

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Martin, TN

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
731-636 8 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2019-01-11   
731-636 9 CRVLTNAOGT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468      
731-819 A MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468      
731-881 A MARTTNXADS0  4336 CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC 468      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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