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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-428 A Sparta TN CKVLTNXAXAX  624H ONVOY SPECTRUM, LLC 470   2024-06-24   
931-428 0 Sparta TN CKVLTNXAXAX  624H ONVOY SPECTRUM, LLC 470   2024-06-24   
931-428 1 Sparta TN CKVLTNXAXDX  525E ONVOY, LLC - TN 470   2024-07-08   
931-428 9 Sparta TN   525E ONVOY, LLC - TN 470   2025-04-11   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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