Local Calling Guide

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-592 3 Elmhurst IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-592 4 Elmhurst IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-01-22   
630-592 5 Elmhurst IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-592 6 Elmhurst IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-592 7 Elmhurst IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-592 8 Elmhurst IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-02-04   
630-599 7 Lombard IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-11-14   
630-599 8 Lombard IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-11-20   
630-608 A Oswego IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-608 0 Oswego IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-03-04   
630-608 2 Oswego IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-03-04   
630-608 4 Oswego IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-608 6 Oswego IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-04-28   
630-614 4 Wheaton IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-05-26   
630-618 2 Aurora IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-11-22   
630-621 A West Chicago IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-621 1 West Chicago IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-621 3 West Chicago IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-621 4 West Chicago IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-08-18   
630-621 9 West Chicago IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-02-15   
630-626 A Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-626 0 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-04-07   
630-626 1 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-626 2 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-626 3 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-626 4 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-03-09   
630-626 5 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-626 6 Bensenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-657 0 Warrenville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-03-21   
630-659 1 Geneva IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-04-30   
630-672 7 Roselle IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-03-10   
630-685 A Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-685 2 Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-685 3 Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-685 4 Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-685 5 Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-685 8 Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-685 9 Lemont IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 A Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 1 Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 3 Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 4 Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 5 Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 6 Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-686 9 Hinsdale IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-687 1 Naperville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-27   
630-689 A Naperville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-689 0 Naperville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-689 1 Naperville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-689 2 Naperville IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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