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.

Switch: LSBGVALBPMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-252 1 Front Royal VA 8357 US LEC OF VIRGINIA, LLC 246   2011-05-02   
571-209 1 Leesburg VA 8357 US LEC OF VIRGINIA, LLC 246   2005-11-26   
703-554 A Leesburg VA 8357 US LEC OF VIRGINIA, LLC 246      
703-554 1 Leesburg VA 8357 US LEC OF VIRGINIA, LLC 246   2003-08-23   
703-554 6 Leesburg VA 8357 US LEC OF VIRGINIA, LLC 246   2004-11-15   
703-737 5 Leesburg VA 8357 US LEC OF VIRGINIA, LLC 246   2017-05-24   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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