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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-321 A Braddock VA HRNDVA13DS0  4725 CAVALIER TELEPHONE, LLC 236      
571-321 0 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      
571-321 1 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      
571-321 2 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      
571-321 3 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      
571-321 4 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      
571-321 5 Braddock VA   431G BROADVOX-CLEC, LLC - VA 236   2015-04-26   
571-321 6 Braddock VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-12-09   
571-321 7 Braddock VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-12-09   
571-321 8 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      
571-321 9 Braddock VA   4725 CAVALIER TELEPHONE, LLC 236      

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.