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: 430

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-430 A Hecker IL CENLILCEGMD  593K MCC TELEPHONY LLC 520      
618-430 1 Hecker IL CENLILCEGMD  593K MCC TELEPHONY LLC 520   2010-05-20   
618-430 4 Hecker IL STLSMOWQDS2  224C ONVOY, LLC 520   2018-07-29   
618-430 8 Hecker IL STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2024-02-04   
618-430 9 Hecker IL STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2024-02-04   

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

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