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: 354

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-354 A Oakwood IL OKWDILOWRS0  9329 ILLINOIS BELL TEL CO 370      
217-354 0 Oakwood IL   321J HD CARRIER LLC 370   2025-10-11   
217-354 1 Oakwood IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2008-02-28   
217-354 2 Oakwood IL   9329 ILLINOIS BELL TEL CO 370      
217-354 3 Oakwood IL   9329 ILLINOIS BELL TEL CO 370      
217-354 4 Oakwood IL   9329 ILLINOIS BELL TEL CO 370      
217-354 5 Oakwood IL   516C AT&T CORP. 370   2011-10-28   
217-354 6 Oakwood IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2004-07-17   
217-354 7 Oakwood IL   318J COMCAST IP PHONE, LLC 370   2007-09-23   
217-354 8 Oakwood IL   318J COMCAST IP PHONE, LLC 370   2006-08-09   
217-354 9 Oakwood IL   224C ONVOY, LLC 370   2013-12-13   

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

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