Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-288 A SDLLILXCRS0  1015 FRONTIER NORTH, INC. - IL 370      
217-288 1 SDLLILXCRS0  1015 FRONTIER NORTH, INC. - IL 370      
217-288 2 CHMPILCPOMD  224C ONVOY, LLC 370   2018-10-07   
217-288 3 CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-288 4 CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-288 6 CHMPILCPOMD  224C ONVOY, LLC 370   2020-01-11   
217-288 7 CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-17   
217-288 8 CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-10-30   
217-288 9 SDLLILXCRS0  1015 FRONTIER NORTH, INC. - IL 370      
447-557 A CHMPILCPOMD  224C ONVOY, LLC 370      
447-557 0 CHMPILCPX0Y  073H TELNYX LLC 370   2021-10-07   
447-557 1 CHMPILCPX5Y  624H ONVOY SPECTRUM, LLC 370   2024-05-18   
447-557 4 CHMPILCPOMD  224C ONVOY, LLC 370   2021-06-17   
447-557 5 CHMPILCPOMD  224C ONVOY, LLC 370   2021-07-04   
447-557 7 CHMPILCPOMD  224C ONVOY, LLC 370   2021-06-18   
447-557 9 CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2023-02-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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