Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 775 [Rate centres in NPA 775] [Dial plan for NPA 775]

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
775-510 A Mountain City NV BOISIDMAXIX  029F ONVOY, LLC - NV 652      
775-510 0 Mountain City NV   073H TELNYX LLC 652   2021-01-28   
775-510 1 Mountain City NV   075F BANDWIDTH.COM CLEC, LLC - NV 652   2021-02-21   
775-510 2 Mountain City NV   029F ONVOY, LLC - NV 652   2019-10-12   
775-510 3 Mountain City NV   029F ONVOY, LLC - NV 652   2019-10-12   
775-510 4 Mountain City NV   624H ONVOY SPECTRUM, LLC 652   2021-11-14   
775-510 5 Mountain City NV   029F ONVOY, LLC - NV 652   2021-03-05   
775-510 6 Mountain City NV   029F ONVOY, LLC - NV 652   2021-03-05   
775-510 7 Mountain City NV   624H ONVOY SPECTRUM, LLC 652   2021-07-18   
775-510 9 Mountain City NV   624H ONVOY SPECTRUM, LLC 652   2021-11-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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