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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-506 A Hettick IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-506 0 Hettick IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-06-20   
618-506 1 Hettick IL STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-10   
618-506 6 Hettick IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-02-26   
618-506 8 Hettick IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-506 9 Hettick IL COVLILCQXMX  495J STRATUS NETWORKS 520   2021-12-13   

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

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