Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-780 A Mount Gilead VA   138E ONVOY, LLC - VA 246      
540-780 0 Mount Gilead VA   939H COMMIO, LLC 246   2022-11-07   
540-780 1 Mount Gilead VA   624H ONVOY SPECTRUM, LLC 246   2022-01-17   
540-780 2 Mount Gilead VA   138E ONVOY, LLC - VA 246   2021-07-25   
540-780 3 Mount Gilead VA   624H ONVOY SPECTRUM, LLC 246   2021-12-11   
540-780 4 Mount Gilead VA   624H ONVOY SPECTRUM, LLC 246   2021-12-11   
540-780 6 Mount Gilead VA   624H ONVOY SPECTRUM, LLC 246   2022-01-17   
540-780 7 Mount Gilead VA   138E ONVOY, LLC - VA 246   2020-11-07   
540-780 8 Mount Gilead VA   138E ONVOY, LLC - VA 246   2020-11-07   
540-780 9 Mount Gilead VA   138E ONVOY, LLC - VA 246   2022-02-12   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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