Local Calling Guide

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 773

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-773 A Dulles Metro VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-773 0 Dulles Metro VA   073H TELNYX LLC 236   2023-04-13   
571-773 1 Dulles Metro VA   515J IP HORIZON LLC 236   2021-08-21   
571-773 3 Dulles Metro VA   138E ONVOY, LLC - VA 236   2021-05-07   
571-773 4 Dulles Metro VA   138E ONVOY, LLC - VA 236   2021-05-07   
571-773 5 Dulles Metro VA   138E ONVOY, LLC - VA 236   2021-05-07   
571-773 6 Dulles Metro VA   138E ONVOY, LLC - VA 236   2021-05-07   
571-773 7 Dulles Metro VA   138E ONVOY, LLC - VA 236   2021-05-07   
571-773 8 Dulles Metro VA   624H ONVOY SPECTRUM, LLC 236   2021-05-21   
571-773 9 Dulles Metro VA   624H ONVOY SPECTRUM, LLC 236   2022-03-04   

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

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