Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 733

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-733 A Fairmount IL FAMTILFARS0  9329 ILLINOIS BELL TEL CO 370      
217-733 0 Fairmount IL   224C ONVOY, LLC 370   2019-07-05   
217-733 1 Fairmount IL   224C ONVOY, LLC 370   2019-07-05   
217-733 2 Fairmount IL   9329 ILLINOIS BELL TEL CO 370      
217-733 3 Fairmount IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2024-12-19   
217-733 5 Fairmount IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2004-07-16   
217-733 6 Fairmount IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2005-12-29   
217-733 7 Fairmount IL   318J COMCAST IP PHONE, LLC 370   2006-08-30   
217-733 8 Fairmount IL   318J COMCAST IP PHONE, LLC 370   2007-09-23   
217-733 9 Fairmount IL   624H ONVOY SPECTRUM, LLC 370   2024-05-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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