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
815-926 3 Wilmington IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-20   
815-926 4 Wilmington IL 460K FIRST COMMUNICATIONS, LLC 358   2003-07-07   
815-944 3 Hopkins Park IL 460K FIRST COMMUNICATIONS, LLC 358   2007-11-20   
815-999 3 Joliet IL 460K FIRST COMMUNICATIONS, LLC 358   2010-05-11   
815-999 4 Joliet IL 460K FIRST COMMUNICATIONS, LLC 358   2010-05-11   
847-201 3 Round Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2007-11-20   
847-201 9 Round Lake IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-14   
847-213 2 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2004-04-05   
847-213 5 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-214 4 Elgin IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-227 5 Des Plaines IL 460K FIRST COMMUNICATIONS, LLC 358   2003-02-25   
847-230 3 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2003-04-21   
847-230 8 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-10   
847-231 7 Grayslake IL 460K FIRST COMMUNICATIONS, LLC 358   2001-04-12   
847-235 8 Lake Forest IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-18   
847-242 3 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-242 5 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-11   
847-245 5 Lake Villa IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-246 5 Zion IL 460K FIRST COMMUNICATIONS, LLC 358   2005-06-20   
847-246 6 Zion IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-20   
847-257 8 Des Plaines IL 460K FIRST COMMUNICATIONS, LLC 358   2006-09-14   
847-260 3 Schiller Park IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-260 4 Schiller Park IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-20   
847-261 5 Schiller Park IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   
847-261 7 Schiller Park IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-02   
847-264 1 Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2008-07-24   
847-273 4 Schaumburg IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-23   
847-273 6 Schaumburg IL 460K FIRST COMMUNICATIONS, LLC 358   2004-10-17   
847-278 3 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2003-01-31   
847-281 3 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358      
847-282 7 Deerfield IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
847-283 7 Lake Forest IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-305 8 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2005-04-07   
847-307 3 Lake Zurich IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-11   
847-307 6 Lake Zurich IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-324 7 Skokie IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-20   
847-325 7 Wheeling IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-325 9 Wheeling IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-348 6 Willowcrest IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-10   
847-371 8 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-10-22   
847-376 7 Des Plaines IL 460K FIRST COMMUNICATIONS, LLC 358   1999-06-29   
847-377 0 Waukegan IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-377 6 Waukegan IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-02   
847-379 6 Zion IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   
847-379 9 Zion IL 460K FIRST COMMUNICATIONS, LLC 358      
847-385 0 Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-386 3 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-10   
847-386 5 Winnetka IL 460K FIRST COMMUNICATIONS, LLC 358   2004-09-20   
847-388 7 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2001-10-17   
847-388 8 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-02   

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

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