Local Calling Guide

Area code/prefix search

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

NXX: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-667 A Lorton VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-667 0 Lorton VA   073H TELNYX LLC 236   2021-06-13   
571-667 1 Lorton VA   515J IP HORIZON LLC 236   2021-08-21   
571-667 3 Lorton VA   624H ONVOY SPECTRUM, LLC 236   2021-12-11   
571-667 4 Lorton VA   138E ONVOY, LLC - VA 236   2021-06-12   
571-667 5 Lorton VA   138E ONVOY, LLC - VA 236   2021-06-12   
571-667 6 Lorton VA   138E ONVOY, LLC - VA 236   2021-06-12   
571-667 7 Lorton VA   138E ONVOY, LLC - VA 236   2021-06-12   
571-667 8 Lorton VA   138E ONVOY, LLC - VA 236   2022-09-29   
571-667 9 Lorton VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2021-07-30   

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

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