Local Calling Guide

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

NXX: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-747 A Manassas VA   138E ONVOY, LLC - VA 236   2026-02-01   
571-747 0 Manassas VA   138E ONVOY, LLC - VA 236   2026-02-01   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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