Local Calling Guide

Area code/prefix search

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NPA: 731 [Rate centres in NPA 731] [Dial plan for NPA 731]

NXX: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-456 A Sharon TN SHRNTNXADS0  4336 CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC 468      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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