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: 609

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-609 A Grayville IL OLNYILABQMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 978      
618-609 2 Grayville IL OLNYILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978   2017-09-14   
618-609 8 Grayville IL OLNYILABQMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 978   2014-06-09   
618-609 9 Grayville IL OLNYILABQMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 978   2014-06-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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