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
571-393 A Manassas VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-393 0 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-01-28   
571-393 1 Manassas VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-03-14   
571-393 2 Manassas VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-07-26   
571-393 3 Manassas VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-393 4 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2012-01-29   
571-393 5 Manassas VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2010-06-06   
571-393 6 Manassas VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-08-16   
571-393 7 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-07-21   
571-393 8 Manassas VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2010-05-06   
571-393 9 Manassas VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-07-21   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.