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: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-603 A Ashmore IL MTONILXCZMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976      
217-603 0 Ashmore IL MTONILXCZMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976   2010-08-14   
217-603 1 Ashmore IL MTONILXCRMD  224C ONVOY, LLC 976   2023-08-28   
217-603 3 Ashmore IL MTONILXCRMD  224C ONVOY, LLC 976   2021-04-09   
217-603 4 Ashmore IL MTONILXCRMD  224C ONVOY, LLC 976   2023-06-09   
217-603 7 Ashmore IL MTONILXCRMD  224C ONVOY, LLC 976   2020-10-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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