Local Calling Guide

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 693

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-693 A Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 0 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 1 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 2 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 3 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 4 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 5 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 6 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 7 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 8 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 9 Herndon VA CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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