Local Calling Guide

Area code/prefix search

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

NXX: 517

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-517 A Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-517 0 Dulles VA WASHDC127MD  073H TELNYX LLC 236   2021-03-21   
571-517 1 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-07-16   
571-517 2 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-07-16   
571-517 4 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2022-10-28   
571-517 5 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-07   
571-517 6 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2021-02-18   
571-517 7 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-07   
571-517 8 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2021-02-18   
571-517 9 Dulles VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2021-02-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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