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: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-340 A Washington Zone 19 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-340 0 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2008-06-01   
571-340 1 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2008-06-01   
571-340 2 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2008-06-01   
571-340 3 Washington Zone 19 VA   7189 COX VIRGINIA TELCOM, INC. - VA 236   2009-07-18   
571-340 4 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-25   
571-340 5 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-25   
571-340 6 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-25   
571-340 7 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-25   
571-340 8 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-25   
571-340 9 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.