Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-661 A McClure IL CPGRMOEDDSA  9533 SOUTHWESTERN BELL 520      
618-661 0 McClure IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2012-10-28   
618-661 1 McClure IL   9533 SOUTHWESTERN BELL 520      
618-661 2 McClure IL   9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2003-02-05   
618-661 3 McClure IL   224C ONVOY, LLC 520   2021-07-24   
618-661 4 McClure IL   073H TELNYX LLC 520   2018-07-24   
618-661 5 McClure IL   516C AT&T CORP. 520   2015-05-28   
618-661 6 McClure IL   5562 METROPCS, INC. 520   2014-10-26   
618-661 7 McClure IL   508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-23   
618-661 8 McClure IL   5562 METROPCS, INC. 520   2018-03-23   
618-661 9 McClure IL   9533 SOUTHWESTERN BELL 520      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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