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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-436 A Centralia IL CENLILCEDS0  9329 ILLINOIS BELL TEL CO 520      
618-436 0 Centralia IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2005-12-22   
618-436 1 Centralia IL CENLILTU0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2021-04-02   
618-436 2 Centralia IL CENLILTU0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2021-04-02   
618-436 3 Centralia IL COVLILCQXMD  7393 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL 520   2010-11-29   
618-436 4 Centralia IL CENLILTU0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2021-04-02   
618-436 5 Centralia IL CENLILCEDS0  9329 ILLINOIS BELL TEL CO 520      
618-436 6 Centralia IL CENLILCEDS0  9329 ILLINOIS BELL TEL CO 520      
618-436 7 Centralia IL CENLILCEDS0  9329 ILLINOIS BELL TEL CO 520      
618-436 8 Centralia IL CENLILCEDS0  9329 ILLINOIS BELL TEL CO 520      
618-436 9 Centralia IL COVLILCQXOX  495J STRATUS NETWORKS 520   2020-12-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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