Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
847-621 5 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-20   
847-629 3 Fox Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2007-11-20   
847-629 6 Fox Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   
847-629 9 Fox Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-18   
847-643 8 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-23   
847-649 9 Dundee IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-653 3 Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358   2005-09-30   
847-656 9 Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-10   
847-659 0 Huntley IL 460K FIRST COMMUNICATIONS, LLC 358   2001-11-01   
847-664 5 Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358   2006-05-25   
847-665 7 Grayslake IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-20   
847-666 A Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358      
847-666 0 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-666 1 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-666 2 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-666 3 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-666 4 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-02   
847-666 6 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-666 9 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-693 2 Waukegan IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-693 5 Waukegan IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-11   
847-709 6 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358      
847-713 8 Barrington IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   
847-719 0 Lake Zurich IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-720 7 Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358   2005-08-22   
847-725 8 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2008-04-08   
847-730 1 Glenview IL 460K FIRST COMMUNICATIONS, LLC 358   2005-08-25   
847-730 6 Glenview IL 460K FIRST COMMUNICATIONS, LLC 358   2005-09-30   
847-745 2 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2010-01-28   
847-748 6 Highland Park IL 460K FIRST COMMUNICATIONS, LLC 358   2015-07-04   
847-750 9 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-01   
847-760 9 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358   2000-08-07   
847-779 7 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-12   
847-783 8 Dundee IL 460K FIRST COMMUNICATIONS, LLC 358   2006-05-18   
847-784 4 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-20   
847-787 8 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-20   
847-794 0 Palatine IL 460K FIRST COMMUNICATIONS, LLC 358   2013-10-05   
847-810 2 Lake Forest IL 460K FIRST COMMUNICATIONS, LLC 358   2009-03-07   
847-829 9 Cary IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-18   
847-834 3 Glenview IL 460K FIRST COMMUNICATIONS, LLC 358   2009-01-15   
847-837 6 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2010-07-15   
847-841 2 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358      
847-847 3 Lake Zurich IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   
847-849 5 Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-22   
847-849 8 Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358   2000-08-07   
847-851 0 Dundee IL 460K FIRST COMMUNICATIONS, LLC 358   2006-04-22   
847-852 2 Barrington IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-856 7 Waukegan IL 460K FIRST COMMUNICATIONS, LLC 358   2001-07-20   
847-861 3 Highland Park IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-10   
847-861 6 Highland Park IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   

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

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