Local Calling Guide

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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-821 A Louisville IL LSVLILXE2MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 978      
618-821 7 Louisville IL   9915 MCC NETWORK SERVICES, LLC 978   2021-02-28   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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