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: 461

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-461 A Washington Zone 17 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-461 0 Washington Zone 17 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-02-20   
571-461 1 Washington Zone 17 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-02-20   
571-461 2 Washington Zone 17 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-02-20   
571-461 3 Washington Zone 17 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-02-20   
571-461 4 Washington Zone 17 VA BTVLMD127MD  5562 METROPCS, INC. 236   2020-02-21   
571-461 5 Washington Zone 17 VA WASHDC12DS6  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2020-03-06   
571-461 6 Washington Zone 17 VA OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2020-02-24   
571-461 7 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2020-08-06   
571-461 8 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2020-05-01   
571-461 9 Washington Zone 17 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-18   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.