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: 473

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-473 A Hecker IL HCKRILXEDS0  1036 FRONTIER NORTH, INC. - IL 520      
618-473 0 Hecker IL   5562 METROPCS, INC. 520   2022-03-10   
618-473 2 Hecker IL   1036 FRONTIER NORTH, INC. - IL 520      
618-473 3 Hecker IL   1036 FRONTIER NORTH, INC. - IL 520      
618-473 7 Hecker IL   075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2021-02-28   
618-473 8 Hecker IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-04-16   
618-473 9 Hecker IL   1036 FRONTIER NORTH, INC. - IL 520      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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