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: 847 [Rate centres in NPA 847] [Dial plan for NPA 847]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-999 A Winnetka IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-999 0 Winnetka IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-02-04   
847-999 1 Winnetka IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2007-02-11   
847-999 2 Winnetka IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-999 3 Winnetka IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2018-05-31   
847-999 4 Winnetka IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-999 5 Winnetka IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-07-29   
847-999 6 Winnetka IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2018-07-28   
847-999 7 Winnetka IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2018-11-22   
847-999 8 Winnetka IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2008-07-17   
847-999 9 Winnetka IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-08-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.