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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-388 A Melvin IL MLVNILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-388 1 Melvin IL CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-388 2 Melvin IL MLVNILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-388 3 Melvin IL CHMPILCPXHX  593K MCC TELEPHONY LLC 370   2010-03-15   
217-388 4 Melvin IL CHMPILCPX0Y  073H TELNYX LLC 370   2020-07-16   
217-388 5 Melvin IL CHMPILCPOMD  224C ONVOY, LLC 370   2018-10-06   
217-388 6 Melvin IL CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-14   
217-388 7 Melvin IL MLVNILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-388 8 Melvin IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-10-30   
217-388 9 Melvin IL CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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