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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-542 A Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 0 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 1 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 2 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 3 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 4 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 5 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 6 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 7 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 8 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 9 Dale City VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - 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.