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: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-480 A Oblong IL OLNYILXEHMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 978      
618-480 1 Oblong IL OLNYILXEHMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 978   2010-06-19   
618-480 4 Oblong IL OLNYILXEGMD  224C ONVOY, LLC 978   2020-09-14   

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

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