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
571-492 A Occoquan VA OCQNVAXAMMD  7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-492 0 Occoquan VA   102H LOCAL ACCESS LLC - VA 236   2013-08-09   
571-492 1 Occoquan VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2012-07-01   
571-492 2 Occoquan VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2012-07-30   
571-492 3 Occoquan VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-08-30   
571-492 4 Occoquan VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2016-07-23   
571-492 5 Occoquan VA   7189 COX VIRGINIA TELCOM, INC. - VA 236   2012-01-19   
571-492 6 Occoquan VA   7189 COX VIRGINIA TELCOM, INC. - VA 236   2011-06-03   
571-492 7 Occoquan VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2011-12-04   
571-492 8 Occoquan VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2012-08-17   
571-492 9 Occoquan VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2013-05-05   

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

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.