Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: LSLEILAADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
331-806 4 Wheaton IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-06-17   
630-447 4 Warrenville IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2008-03-24   
630-490 0 La Grange IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-492 5 Geneva IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-05   
630-496 4 Bensenville IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2006-01-18   
630-521 4 Bensenville IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-06-14   
630-521 6 Bensenville IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-06-14   
630-791 6 Warrenville IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2011-07-22   
630-828 A Hinsdale IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-828 7 Hinsdale IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-04-22   
708-455 4 Lansing IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2002-03-05   
708-462 A Harvey IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-462 0 Harvey IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-05-01   
815-410 8 La Salle IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2005-05-09   
815-640 A Ottawa IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-640 9 Ottawa IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-705 A Morris IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-705 9 Morris IL 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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