Local Calling Guide

Area code/prefix search

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

NXX: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-601 A Leesburg VA CLPPVACURMD  138E ONVOY, LLC - VA 246      
571-601 0 Leesburg VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2020-12-05   
571-601 1 Leesburg VA   138E ONVOY, LLC - VA 246   2020-07-10   
571-601 2 Leesburg VA   138E ONVOY, LLC - VA 246   2020-07-10   
571-601 3 Leesburg VA   138E ONVOY, LLC - VA 246   2020-07-10   
571-601 4 Leesburg VA   138E ONVOY, LLC - VA 246   2020-07-10   
571-601 5 Leesburg VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 246   2020-08-28   
571-601 6 Leesburg VA   4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 246   2020-08-24   
571-601 7 Leesburg VA   138E ONVOY, LLC - VA 246   2020-11-09   
571-601 8 Leesburg VA   138E ONVOY, LLC - VA 246   2020-11-09   
571-601 9 Leesburg VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2020-12-05   

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

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