Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CHCGILWUX6X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
847-861 9 Highland Park IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-871 4 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-871 8 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2016-11-24   
847-881 9 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-886 6 Round Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2005-04-15   
847-892 8 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-18   
847-893 3 Bartlett IL 460K FIRST COMMUNICATIONS, LLC 358   2001-04-12   
847-897 7 Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358   2006-10-13   
847-898 9 Barrington South IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-01   
847-904 5 Glenview IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-18   
847-905 8 Evanston IL 460K FIRST COMMUNICATIONS, LLC 358   2008-10-05   
847-906 5 Wilmette IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-18   
847-907 3 Schaumburg North IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-17   
847-916 3 River Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2009-01-12   
847-920 3 Wilmette IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-929 5 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2004-03-07   
847-929 6 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2004-03-07   
847-930 A Elgin IL 460K FIRST COMMUNICATIONS, LLC 358      
847-930 4 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358   2006-05-22   
847-930 6 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358   2003-08-15   
847-932 8 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-21   
847-939 A Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358      
847-939 3 Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358      
847-939 9 Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-941 1 Wheeling IL 460K FIRST COMMUNICATIONS, LLC 358   2001-01-02   
847-941 9 Wheeling IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-09   
847-943 0 Deerfield IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-944 1 Schaumburg IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-23   
847-944 9 Schaumburg IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-18   
847-947 5 Wheeling IL 460K FIRST COMMUNICATIONS, LLC 358   2002-09-09   
847-954 3 Des Plaines IL 460K FIRST COMMUNICATIONS, LLC 358   2000-08-04   
847-960 2 Algonquin IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-961 7 Huntley IL 460K FIRST COMMUNICATIONS, LLC 358   2002-05-24   
847-964 5 Deerfield IL 460K FIRST COMMUNICATIONS, LLC 358   2002-05-24   
847-978 9 Fox Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-979 1 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2011-07-18   
847-993 2 Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-23   
847-994 0 Schiller Park IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-999 2 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
872-210 1 Chicago Zone 04-Humboldt IL 460K FIRST COMMUNICATIONS, LLC 358   2013-06-06   
872-241 8 Chicago Zone 02-Edgewater IL 460K FIRST COMMUNICATIONS, LLC 358   2015-02-13   
872-315 4 Chicago Zone 04-Humboldt IL 460K FIRST COMMUNICATIONS, LLC 358   2017-04-19   
872-469 1 Chicago Zone 03-Kildare IL 460K FIRST COMMUNICATIONS, LLC 358   2015-05-11   
872-769 2 Chicago Zone 06-Kedzie IL 460K FIRST COMMUNICATIONS, LLC 358   2017-04-04   
872-810 4 Chicago Zone 02-Edgewater IL 460K FIRST COMMUNICATIONS, LLC 358   2015-08-14   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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