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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-356 A Bunker Hill IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520      
618-356 0 Bunker Hill IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520      
618-356 1 Bunker Hill IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2019-08-11   
618-356 2 Bunker Hill IL   224C ONVOY, LLC 520   2019-07-29   
618-356 3 Bunker Hill IL   224C ONVOY, LLC 520   2019-07-29   
618-356 4 Bunker Hill IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520      
618-356 5 Bunker Hill IL   224C ONVOY, LLC 520   2021-02-12   
618-356 6 Bunker Hill IL   224C ONVOY, LLC 520   2018-07-29   
618-356 7 Bunker Hill IL   508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-21   
618-356 8 Bunker Hill IL   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-356 9 Bunker Hill IL   495J STRATUS NETWORKS 520   2020-11-22   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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