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: 207

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-207 A Leesburg VA LSBGVA10WMD  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 246      
571-207 0 Leesburg VA LSBGVA10WMD  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 246   2009-09-28   
571-207 1 Leesburg VA LSBGVA10WMD  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 246   2009-09-28   
571-207 2 Leesburg VA LSBGVA10WMD  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 246   2009-09-28   
571-207 3 Leesburg VA LSBGVA10WMD  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 246   2009-09-28   
571-207 4 Leesburg VA LSBGVA10WMD  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 246   2009-09-28   
571-207 5 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2010-02-20   
571-207 6 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2010-02-20   
571-207 7 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2010-06-25   
571-207 8 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2010-06-25   
571-207 9 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2010-09-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.