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: 718

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-718 A Engleside VA   7421 AT&T - LOCAL 236   2025-04-28   
571-718 6 Engleside VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-06-02   
571-718 8 Engleside VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-07-31   
571-718 9 Engleside VA   7421 AT&T - LOCAL 236   2025-04-28   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.