Local Calling Guide

Area code/prefix search

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

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-331 A Bolivar TN CRVLTNAOGT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468      
731-331 0 Bolivar TN MMPHTNMAY4X  624H ONVOY SPECTRUM, LLC 468   2023-06-08   
731-331 1 Bolivar TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2021-03-15   
731-331 2 Bolivar TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2021-03-15   
731-331 9 Bolivar TN   515J IP HORIZON LLC 468   2022-01-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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