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
815-676 4 Plainfield IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-676 5 Plainfield IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-03-16   
815-676 6 Plainfield IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-03-16   
815-680 5 Manhattan IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-01-14   
815-680 6 Manhattan IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-05-29   
815-701 A Woodstock IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-701 0 Woodstock IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-701 9 Woodstock IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-707 A Gilman IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-707 9 Gilman IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-709 A Coal City IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-709 0 Coal City IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-709 9 Coal City IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-768 1 Joliet IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-19   
815-768 2 Joliet IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-19   
815-768 3 Joliet IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-19   
815-768 4 Joliet IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-19   
815-769 A Seneca IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-769 5 Seneca IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-03-26   
815-770 3 Harvard IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-10-03   
815-780 A La Salle IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-780 1 La Salle IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-780 3 La Salle IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-780 4 La Salle IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-780 5 La Salle IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-782 A Plainfield IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-782 1 Plainfield IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-788 4 Crystal Lake IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-02-11   
815-788 6 Crystal Lake IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-12   
815-797 A Somonauk IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-797 0 Somonauk IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-797 4 Somonauk IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-09-04   
815-828 4 Minooka IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-01-14   
815-828 6 Minooka IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-05-14   
815-846 A Joliet IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-862 9 Richmond IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2018-01-09   
815-889 1 Milford IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2017-07-23   
815-893 7 Crystal Lake IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-02   
815-893 8 Crystal Lake IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-02   
815-905 A Lockport IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-905 0 Lockport IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-905 9 Lockport IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-907 A Manteno IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-907 5 Manteno IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-918 A Clifton IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-918 0 Clifton IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-918 4 Clifton IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-07-04   
815-926 A Wilmington IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-926 1 Wilmington IL 6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-26   
815-926 5 Wilmington 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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