Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-637 A Cicero IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
708-637 0 Cicero IL   224C ONVOY, LLC 358   2012-10-01   
708-637 1 Cicero IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-19   
708-637 2 Cicero IL   829J PAETEC ITEL, LLC 358   2006-11-26   
708-637 3 Cicero IL   318J COMCAST IP PHONE, LLC 358   2014-04-18   
708-637 4 Cicero IL   318J COMCAST IP PHONE, LLC 358   2007-12-24   
708-637 5 Cicero IL   829J PAETEC ITEL, LLC 358      
708-637 6 Cicero IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-17   
708-637 7 Cicero IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-25   
708-637 8 Cicero IL   515J IP HORIZON LLC 358   2013-08-26   
708-637 9 Cicero IL   460K FIRST COMMUNICATIONS, LLC 358   2001-10-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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