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: 630

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-630 A Fredonia TN NSVLTNMTY9Z  624H ONVOY SPECTRUM, LLC 470      
931-630 0 Fredonia TN NSVLTNMTY7Z  073H TELNYX LLC 470   2023-07-17   
931-630 3 Fredonia TN NSVLTNMTY9Z  624H ONVOY SPECTRUM, LLC 470   2023-07-16   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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