Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
931-344 2 Pleasant Hill TN 624H ONVOY SPECTRUM, LLC 470   2024-03-19   
931-356 3 McMinnville TN 624H ONVOY SPECTRUM, LLC 470   2024-03-19   
931-420 A Monterey TN 624H ONVOY SPECTRUM, LLC 470   2024-06-24   
931-420 0 Monterey TN 624H ONVOY SPECTRUM, LLC 470   2024-06-24   
931-428 A Sparta TN 624H ONVOY SPECTRUM, LLC 470   2024-06-24   
931-428 0 Sparta TN 624H ONVOY SPECTRUM, LLC 470   2024-06-24   
931-742 3 Tansi TN 624H ONVOY SPECTRUM, LLC 470   2024-03-19   
931-907 A Cookeville TN 624H ONVOY SPECTRUM, LLC 470      
931-907 8 Cookeville TN 624H ONVOY SPECTRUM, LLC 470   2023-06-08   
931-907 9 Cookeville TN 624H ONVOY SPECTRUM, LLC 470   2022-01-15   
931-921 2 Crossville TN 624H ONVOY SPECTRUM, LLC 470   2024-03-19   

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

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