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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-374 A Alton IL ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 0 Alton IL STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2013-04-28   
618-374 1 Alton IL ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 2 Alton IL ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 3 Alton IL COVLILCQXQX  829J PAETEC ITEL, LLC 520   2007-02-24   
618-374 4 Alton IL ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 5 Alton IL ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 6 Alton IL COVLILCL0MD  516C AT&T CORP. 520   2005-09-19   
618-374 7 Alton IL STLSMO09DS1  7421 AT&T - LOCAL 520   2003-02-16   
618-374 8 Alton IL COVLILCQXQX  829J PAETEC ITEL, LLC 520   2010-02-12   
618-374 9 Alton IL ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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