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: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-479 A Leesburg VA ASBNVAASBMD  478J NUSO, LLC 246      
571-479 0 Leesburg VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2021-03-26   
571-479 1 Leesburg VA   478J NUSO, LLC 246   2020-12-27   
571-479 2 Leesburg VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2021-03-26   
571-479 3 Leesburg VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2021-03-26   
571-479 4 Leesburg VA   138E ONVOY, LLC - VA 246   2021-04-02   
571-479 5 Leesburg VA   138E ONVOY, LLC - VA 246   2021-04-02   
571-479 6 Leesburg VA   138E ONVOY, LLC - VA 246   2021-04-02   
571-479 7 Leesburg VA   138E ONVOY, LLC - VA 246   2021-04-02   
571-479 8 Leesburg VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2021-04-04   
571-479 9 Leesburg VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2021-04-04   

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

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