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: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-308 A Atlanta IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
217-308 0 Atlanta IL   145J TERRA NOVA TELECOM INC. 366   2023-06-24   
217-308 1 Atlanta IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
217-308 2 Atlanta IL LNCLILXCZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 366   2019-07-11   
217-308 3 Atlanta IL LNCLILXCZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 366   2022-09-26   
217-308 7 Atlanta IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-13   
217-308 8 Atlanta IL LNCLILXCZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 366   2015-06-27   
217-308 9 Atlanta IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2024-04-08   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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