Local Calling Guide

Area code/prefix search

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

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-321 A Braddock VA WASHDCSW01Z  829J PAETEC ITEL, LLC 236   2025-04-02   
571-321 0 Braddock VA WASHDCSW01Z  829J PAETEC ITEL, LLC 236      
571-321 1 Braddock VA WASHDCSW01Z  829J PAETEC ITEL, LLC 236      
571-321 2 Braddock VA WASHDCSW01Z  829J PAETEC ITEL, LLC 236      
571-321 5 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2015-04-26   
571-321 6 Braddock VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-12-09   
571-321 7 Braddock VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-12-09   
571-321 9 Braddock VA   138E ONVOY, LLC - VA 236   2026-09-12   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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