Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-399 A Elkton TN NSVLTNMTY9Z  624H ONVOY SPECTRUM, LLC 470      
931-399 0 Elkton TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2023-10-13   
931-399 9 Elkton TN NSVLTNMTY9Z  624H ONVOY SPECTRUM, LLC 470   2023-07-16   

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

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