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: 673

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-673 A Occoquan VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-05-16   
571-673 0 Occoquan VA   138E ONVOY, LLC - VA 236   2024-05-16   
571-673 1 Occoquan VA   138E ONVOY, LLC - VA 236   2024-05-20   
571-673 2 Occoquan VA   073H TELNYX LLC 236   2024-09-20   
571-673 3 Occoquan VA   138E ONVOY, LLC - VA 236   2024-12-13   
571-673 4 Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
571-673 5 Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
571-673 6 Occoquan VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2024-10-29   
571-673 7 Occoquan VA   515J IP HORIZON LLC 236   2024-06-24   
571-673 8 Occoquan VA   073H TELNYX LLC 236   2024-05-20   
571-673 9 Occoquan VA   515J IP HORIZON LLC 236   2024-06-24   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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