Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-346 A OKLDILXCRS0  1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-515 A MTONILXCZMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976      
217-515 0   224C ONVOY, LLC 976   2023-08-28   
217-515 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2025-03-03   
217-515 2   224C ONVOY, LLC 976   2023-03-13   
217-515 4   224C ONVOY, LLC 976   2023-05-27   
217-515 5   224C ONVOY, LLC 976   2021-04-09   
217-515 6   224C ONVOY, LLC 976   2021-07-05   
217-515 7   224C ONVOY, LLC 976   2020-10-10   
217-515 8   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976   2010-08-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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