Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-457 A CNCRILXCRS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 376      
217-457 0 CNCRILXCRS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 376      
217-457 1 CNCRILXCRS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 376      
217-457 2 CNCRILXCRS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 376      
217-457 3 JCVLILAA0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376   2022-09-30   
217-457 4 JCVLILXCDMD  224C ONVOY, LLC 376   2022-02-04   
217-457 5 JCVLILXCDMD  224C ONVOY, LLC 376   2023-05-04   
217-457 6 JCVLILXCDMD  224C ONVOY, LLC 376   2023-08-28   
217-457 7 JCVLILXCX6X  624H ONVOY SPECTRUM, LLC 376   2023-07-07   
217-457 8 CNCRILXCRS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 376      
217-457 9 CNCRILXCRS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 376      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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