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: 548

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-548 A Fithian IL FTHNILFTRS0  9329 ILLINOIS BELL TEL CO 370      
217-548 1 Fithian IL   224C ONVOY, LLC 370   2019-07-05   
217-548 2 Fithian IL   9329 ILLINOIS BELL TEL CO 370      
217-548 3 Fithian IL   318J COMCAST IP PHONE, LLC 370   2006-08-08   
217-548 4 Fithian IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2004-07-16   
217-548 5 Fithian IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2005-12-29   
217-548 6 Fithian IL   490J DISH WIRELESS, LLC 370   2023-03-09   
217-548 7 Fithian IL   508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-11   
217-548 8 Fithian IL   318J COMCAST IP PHONE, LLC 370   2007-09-23   
217-548 9 Fithian IL   224C ONVOY, LLC 370   2019-07-05   

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

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