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: 755

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-755 A Harmony (Jefferson) IL HRMJILHMRS0  9329 ILLINOIS BELL TEL CO 520      
618-755 0 Harmony (Jefferson) IL   145J TERRA NOVA TELECOM INC. 520   2021-01-15   
618-755 1 Harmony (Jefferson) IL STLSMOGZ6MD  073H TELNYX LLC 520   2018-07-24   
618-755 2 Harmony (Jefferson) IL STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2023-12-16   
618-755 3 Harmony (Jefferson) IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-08-12   
618-755 4 Harmony (Jefferson) IL HRMJILHMRS0  9329 ILLINOIS BELL TEL CO 520      
618-755 5 Harmony (Jefferson) IL MTVRILMV9MD  075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2013-01-07   
618-755 6 Harmony (Jefferson) IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-04-24   
618-755 7 Harmony (Jefferson) IL COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-17   
618-755 8 Harmony (Jefferson) IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-04-16   
618-755 9 Harmony (Jefferson) IL HRMJILHMRS0  9329 ILLINOIS BELL TEL CO 520      

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

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