Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-578 A ATWDILXCRS0  1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-661 A MTONILXCZMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976      
217-661 0   224C ONVOY, LLC 976   2023-09-30   
217-661 1   224C ONVOY, LLC 976   2021-04-09   
217-661 2   224C ONVOY, LLC 976   2023-06-05   
217-661 6   145J TERRA NOVA TELECOM INC. 976   2025-08-02   
217-661 7   224C ONVOY, LLC 976   2020-10-10   
217-661 9   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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