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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-670 A Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 0 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 1 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 2 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 3 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 4 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 5 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2024-03-15   
571-670 6 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-03-16   
571-670 7 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-03-16   
571-670 8 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-03-16   
571-670 9 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-03-16   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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