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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-943 A Deerfield IL CHCGILCLGMD  7421 AT&T LOCAL 358      
847-943 0 Deerfield IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2000-10-31   
847-943 1 Deerfield IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2005-06-17   
847-943 2 Deerfield IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-04-26   
847-943 3 Deerfield IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-12-24   
847-943 4 Deerfield IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2012-05-17   
847-943 5 Deerfield IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2012-08-02   
847-943 6 Deerfield IL   7421 AT&T LOCAL 358      
847-943 7 Deerfield IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-25   
847-943 8 Deerfield IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2012-08-02   
847-943 9 Deerfield IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.