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: 724

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-724 A Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
571-724 8 Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
571-724 9 Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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