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
630-324 5 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2000-08-04   
630-338 8 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-339 8 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-343 2 Lemont IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-344 4 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358   2002-09-09   
630-344 5 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-348 3 Glen Ellyn IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-348 4 Glen Ellyn IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-348 5 Glen Ellyn IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-352 5 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358   2008-07-20   
630-354 6 Bensenville IL 460K FIRST COMMUNICATIONS, LLC 358   2007-06-07   
630-358 1 Kaneville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-358 3 Kaneville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-359 6 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358   2007-06-07   
630-364 7 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-366 2 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-366 7 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-383 0 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2007-03-11   
630-383 2 Oswego IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-384 6 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358   2005-11-05   
630-384 8 Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358   2006-05-25   
630-385 4 Yorkville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-385 5 Yorkville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-385 7 Yorkville IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-387 A Elburn IL 460K FIRST COMMUNICATIONS, LLC 358      
630-387 2 Elburn IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-387 3 Elburn IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-387 8 Elburn IL 460K FIRST COMMUNICATIONS, LLC 358      
630-391 5 Sugar Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2004-10-17   
630-391 7 Sugar Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-391 9 Sugar Grove IL 460K FIRST COMMUNICATIONS, LLC 358      
630-392 2 Naperville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-03-23   
630-396 6 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
630-396 8 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2005-01-29   
630-397 3 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-397 6 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2008-11-01   
630-397 7 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2008-11-01   
630-402 2 Geneva IL 460K FIRST COMMUNICATIONS, LLC 358   2010-01-28   
630-409 2 Sugar Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2005-12-17   
630-413 5 Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358   2003-03-22   
630-426 2 Lombard IL 460K FIRST COMMUNICATIONS, LLC 358   2011-02-21   
630-427 6 Lemont North IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-432 6 Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358   2010-04-26   
630-433 3 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-433 4 Elmhurst IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-439 3 Roselle IL 460K FIRST COMMUNICATIONS, LLC 358   2008-12-29   
630-446 3 Glen Ellyn IL 460K FIRST COMMUNICATIONS, LLC 358   2006-05-25   
630-446 7 Glen Ellyn IL 460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-448 3 Elburn IL 460K FIRST COMMUNICATIONS, LLC 358   2007-11-20   
630-449 6 Aurora East IL 460K FIRST COMMUNICATIONS, LLC 358   2011-07-08   

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

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