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: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-492 A Edgewood IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-492 0 Edgewood IL STLSMOWQDS2  224C ONVOY, LLC 520   2018-12-07   
618-492 1 Edgewood IL STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-09   
618-492 2 Edgewood IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-492 3 Edgewood IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-492 4 Edgewood IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-09-07   
618-492 5 Edgewood IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-492 8 Edgewood IL COVLILCQXMX  495J STRATUS NETWORKS 520   2020-11-22   
618-492 9 Edgewood IL CENLILCEGMD  593K MCC TELEPHONY LLC 520   2022-04-03   

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

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