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: 861

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-861 A Chester IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-861 0 Chester IL CRDLILXEX7X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362   2019-07-19   
618-861 5 Chester IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2006-03-10   
618-861 6 Chester IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2007-10-13   
618-861 8 Chester IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362   2025-02-24   

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

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