Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 625

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-625 A Triangle VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2025-05-10   
571-625 0 Triangle VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2025-05-10   
571-625 1 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2026-03-22   
571-625 5 Triangle VA WASHDC127MD  073H TELNYX LLC 236   2025-07-03   
571-625 8 Triangle VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2026-06-13   
571-625 9 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2026-05-08   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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