Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-856 A HMBLILXCRS0  1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-933 A MTONILXCZMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976      
217-933 0   6529 T-MOBILE USA, INC. 976   2022-08-20   
217-933 1   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976   2010-08-14   
217-933 2   6529 T-MOBILE USA, INC. 976   2018-02-18   
217-933 3   6529 T-MOBILE USA, INC. 976   2018-02-18   
217-933 4   224C ONVOY, LLC 976   2021-07-05   
217-933 6   6529 T-MOBILE USA, INC. 976   2022-08-20   
217-933 7   224C ONVOY, LLC 976   2020-10-10   
217-933 9   224C ONVOY, LLC 976   2021-04-09   

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

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