Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Fairmount, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-574 A   073H TELNYX LLC 370      
217-574 0   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-01-10   
217-574 1   073H TELNYX LLC 370   2018-06-28   
217-574 4   224C ONVOY, LLC 370   2013-11-29   
217-574 5   224C ONVOY, LLC 370   2018-11-02   
217-574 6   7575 CENTURYLINK COMMUNICATIONS LLC 370   2016-06-11   
217-574 7   516C AT&T CORP. 370   2008-12-21   
217-733 A FAMTILFARS0  9329 AMERITECH ILLINOIS 370      
217-733 0   224C ONVOY, LLC 370   2019-07-05   
217-733 1   224C ONVOY, LLC 370   2019-07-05   
217-733 2   9329 AMERITECH ILLINOIS 370      
217-733 4   5800 ITV 3, LLC DBA I3 BROADBAND 370   2003-07-19   
217-733 5   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2004-07-16   
217-733 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2005-12-29   
217-733 7   318J COMCAST IP PHONE, LLC 370   2006-08-30   
217-733 8   318J COMCAST IP PHONE, LLC 370   2007-09-23   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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