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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-646 A East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 0 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 1 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 2 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 3 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 4 East St Louis IL STLSMOGZ8MD  939H COMMIO, LLC 520   2022-09-24   
618-646 5 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 6 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 7 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 8 East St Louis IL ESLSILBRDS0  9329 ILLINOIS BELL TEL CO 520      
618-646 9 East St Louis IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-04-08   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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