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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-206 A O'Fallon IL COVLILCQXQX  829J PAETEC ITEL, LLC 520      
618-206 0 O'Fallon IL   495J STRATUS NETWORKS 520   2020-12-18   
618-206 1 O'Fallon IL   224C ONVOY, LLC 520   2021-02-26   
618-206 2 O'Fallon IL   829J PAETEC ITEL, LLC 520   2002-11-01   
618-206 3 O'Fallon IL   829J PAETEC ITEL, LLC 520   2005-06-03   
618-206 4 O'Fallon IL   829J PAETEC ITEL, LLC 520      
618-206 5 O'Fallon IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 520   2006-11-07   
618-206 6 O'Fallon IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-12-07   
618-206 7 O'Fallon IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 520   2008-02-22   
618-206 8 O'Fallon IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2005-07-04   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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