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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-510 A St Elmo IL CENLILCEGMD  593K MCC TELEPHONY LLC 520      
618-510 0 St Elmo IL   145J TERRA NOVA TELECOM INC. 520   2025-07-06   
618-510 9 St Elmo IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-04-13   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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