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: 676

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-676 A Manassas VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-07-22   
571-676 0 Manassas VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-12-28   
571-676 1 Manassas VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-07-22   
571-676 2 Manassas VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-07-22   
571-676 3 Manassas VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-12-28   
571-676 4 Manassas VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2025-01-09   
571-676 7 Manassas VA   732J NUSO, LLC 236   2025-07-14   
571-676 8 Manassas VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2024-10-29   
571-676 9 Manassas VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2024-10-29   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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