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
630-630 4 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 5 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 6 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 7 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 8 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 9 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-633 2 Lemont IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-633 6 Lemont IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-636 A Oswego IL 460K FIRST COMMUNICATIONS, LLC 358      
630-636 2 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2004-06-04   
630-636 3 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2004-06-04   
630-636 4 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-647 2 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2008-07-20   
630-657 6 Warrenville IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-659 2 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2005-09-30   
630-659 3 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-723 3 Aurora IL 460K FIRST COMMUNICATIONS, LLC 358   2000-08-07   
630-729 5 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-13   
630-735 3 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-735 7 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-741 7 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-748 3 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2007-02-07   
630-754 4 Lemont IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-786 4 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-08   
630-786 5 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-10   
630-795 6 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2015-08-09   
630-797 7 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358      
630-806 2 Aurora IL 460K FIRST COMMUNICATIONS, LLC 358   2005-05-13   
630-812 6 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2006-07-02   
630-818 3 West Chicago IL 460K FIRST COMMUNICATIONS, LLC 358      
630-818 4 West Chicago IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-818 8 West Chicago IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-821 6 Warrenville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-04-15   
630-821 8 Warrenville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-823 3 Bartlett IL 460K FIRST COMMUNICATIONS, LLC 358      
630-849 2 Aurora IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-861 4 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2013-10-24   
630-868 4 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358   2009-03-08   
630-874 4 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-05   
630-882 1 Yorkville IL 460K FIRST COMMUNICATIONS, LLC 358   2007-11-20   
630-883 3 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-888 3 Aurora IL 460K FIRST COMMUNICATIONS, LLC 358   2007-06-07   
630-903 2 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358   2005-07-18   
630-908 6 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2007-06-07   
630-925 1 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-930 5 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358      
630-938 2 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2012-03-15   
630-938 3 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2012-03-15   
630-938 5 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2000-08-07   
630-938 6 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2012-03-15   

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

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