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.

Switch: PRSPVAXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
434-574 A Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 0 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 2 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 3 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 4 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 5 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 6 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      
434-574 8 Prospect VA 0254 BRIGHTSPEED OF VIRGINIA, LLC 250      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.