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: 618

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-618 A Dubois IL   792K CHARTER IP ENABLED SERVICES, LLC 520      
618-618 0 Dubois IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-618 1 Dubois IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2024-05-25   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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