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: 434 [Rate centres in NPA 434] [Dial plan for NPA 434]

NXX: 823

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
434-823 A Crozet VA CRZTVAXARS0  0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 0 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 1 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 2 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 4 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 5 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 6 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 7 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 8 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      
434-823 9 Crozet VA   0254 BRIGHTSPEED OF VIRGINIA, LLC 928      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.