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
630-451 6 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-451 7 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-453 6 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358   2006-02-13   
630-456 7 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-457 2 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-463 4 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2007-06-07   
630-478 4 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358   2011-07-18   
630-482 6 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-488 3 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2008-07-20   
630-496 6 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-19   
630-503 5 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-25   
630-524 6 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-528 A Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358      
630-528 3 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2008-02-14   
630-528 4 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2007-03-11   
630-528 5 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2008-02-14   
630-528 9 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2008-02-14   
630-537 9 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2012-05-03   
630-540 3 Bartlett IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-551 9 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-568 4 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2012-09-02   
630-570 4 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-589 3 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-590 1 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2017-01-14   
630-590 2 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2008-04-28   
630-590 4 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2015-07-03   
630-590 6 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2006-10-08   
630-593 6 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-594 2 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-598 5 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-599 5 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2008-04-26   
630-608 5 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-03-23   
630-614 A Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358      
630-614 7 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 A Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 2 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 3 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 4 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 5 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 6 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 7 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-618 5 Aurora IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-09   
630-622 5 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-622 8 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
630-625 1 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-630 A Oswego IL 460K FIRST COMMUNICATIONS, LLC 358      
630-630 0 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 1 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 2 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   
630-630 3 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-08-18   

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

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