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: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-626 A Du Quoin IL CRDLILXEX7X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362      
618-626 0 Du Quoin IL   073H TELNYX LLC 362   2020-07-06   
618-626 1 Du Quoin IL   495J STRATUS NETWORKS 362   2020-12-19   
618-626 2 Du Quoin IL   224C ONVOY, LLC 362   2019-09-07   
618-626 3 Du Quoin IL   624H ONVOY SPECTRUM, LLC 362   2023-06-30   
618-626 6 Du Quoin IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362   2019-01-18   

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

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