Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 918

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-918 A Clifton IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-918 0 Clifton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-918 1 Clifton IL   624H ONVOY SPECTRUM, LLC 358   2021-06-28   
815-918 2 Clifton IL   495J STRATUS NETWORKS 358   2020-10-02   
815-918 4 Clifton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-07-04   
815-918 5 Clifton IL   318J COMCAST IP PHONE, LLC 358   2005-08-01   
815-918 6 Clifton IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2020-03-12   
815-918 7 Clifton IL   224C ONVOY, LLC 358   2021-04-01   
815-918 8 Clifton IL   224C ONVOY, LLC 358   2019-08-24   
815-918 9 Clifton IL   073H TELNYX LLC 358   2020-06-26   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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