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: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-704 A Nokesville VA VINNVACBAMD  515J IP HORIZON LLC 236   2025-01-23   
571-704 0 Nokesville VA   073H TELNYX LLC 236   2025-01-30   
571-704 1 Nokesville VA VINNVACBAMD  515J IP HORIZON LLC 236   2025-01-23   
571-704 2 Nokesville VA VINNVACBAMD  515J IP HORIZON LLC 236   2025-01-23   
571-704 7 Nokesville VA   073H TELNYX LLC 236   2025-08-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.