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: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-512 A Washington Zone 19 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-512 0 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2011-06-09   
571-512 1 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2011-06-15   
571-512 2 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2011-06-15   
571-512 3 Washington Zone 19 VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2012-05-03   
571-512 4 Washington Zone 19 VA   014F FUSION COMMUNICATIONS, LLC 236   2011-08-31   
571-512 5 Washington Zone 19 VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-09-24   
571-512 6 Washington Zone 19 VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2012-05-06   
571-512 7 Washington Zone 19 VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2011-10-10   
571-512 8 Washington Zone 19 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2012-09-07   
571-512 9 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-09-04   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.