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: 454

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-454 A Oblong IL OLNYILXEHMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 978      
618-454 4 Oblong IL OLNYILXEGMD  224C ONVOY, LLC 978      
618-454 6 Oblong IL OLNYILXEFMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 978      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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