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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-506 A Washington Zone 8 VA ARTNVACKRP0  9213 VERIZON VIRGINIA, INC. 236      
571-506 0 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-05-18   
571-506 1 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-05-18   
571-506 2 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-05-18   
571-506 3 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-05-18   
571-506 4 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-05-18   
571-506 5 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-05-18   
571-506 6 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-04-12   
571-506 7 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-04-12   
571-506 8 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2023-04-12   
571-506 9 Washington Zone 8 VA ARTNVACKRP0  9213 VERIZON VIRGINIA, INC. 236   2021-04-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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