Local Calling Guide

Area code/prefix search

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NPA: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-275 A Belfast TN   792K CHARTER IP ENABLED SERVICES, LLC 470      
931-275 0 Belfast TN   792K CHARTER IP ENABLED SERVICES, LLC 470   2018-08-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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