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: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-480 A Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-480 0 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 1 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 2 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 3 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 4 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236   2007-01-20   
571-480 5 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-01-23   
571-480 6 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-480 7 Washington Zone 8 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-05-25   
571-480 8 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236   2007-06-05   
571-480 9 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236   2007-06-07   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.