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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-229 A Manassas VA MNSSVAXAQMD  8357 US LEC OF VIRGINIA, LLC 236      
571-229 0 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-08-08   
571-229 1 Manassas VA   8357 US LEC OF VIRGINIA, LLC 236   2004-07-23   
571-229 2 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-08-08   
571-229 3 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-10-08   
571-229 4 Manassas VA   6664 SPRINT SPECTRUM L.P. 236   2005-12-09   
571-229 5 Manassas VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2005-09-12   
571-229 6 Manassas VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2008-03-03   
571-229 7 Manassas VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-02-28   
571-229 8 Manassas VA   6664 SPRINT SPECTRUM L.P. 236   2005-09-11   
571-229 9 Manassas VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2005-04-05   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.