Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-475 A Braddock VA WASHDC125MD  197D VONAGE AMERICA LLC 236      
571-475 0 Braddock VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236      
571-475 1 Braddock VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236      
571-475 2 Braddock VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
571-475 3 Braddock VA WASHDC125MD  197D VONAGE AMERICA LLC 236      
571-475 4 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-475 5 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-475 6 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-475 7 Braddock VA WASHDC125MD  197D VONAGE AMERICA LLC 236      
571-475 8 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-475 9 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.