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: 360

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-360 A Harmony (Jefferson) IL HRMJILHMRS0  9329 ILLINOIS BELL TEL CO 520      
618-360 0 Harmony (Jefferson) IL HRMJILHMRS0  9329 ILLINOIS BELL TEL CO 520      
618-360 1 Harmony (Jefferson) IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2006-06-12   
618-360 2 Harmony (Jefferson) IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2006-09-14   
618-360 3 Harmony (Jefferson) IL STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2012-10-28   
618-360 4 Harmony (Jefferson) IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-09-07   
618-360 5 Harmony (Jefferson) IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-09-07   
618-360 6 Harmony (Jefferson) IL STLSMO05XPX  506J TWILIO INTERNATIONAL, INC. 520   2021-06-10   
618-360 7 Harmony (Jefferson) IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-360 8 Harmony (Jefferson) IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-360 9 Harmony (Jefferson) IL COVLILCQXMX  495J STRATUS NETWORKS 520   2020-11-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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