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: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-429 A Sheldon IL SHLNILXARS0  1015 FRONTIER NORTH, INC. - IL 358      
815-429 0 Sheldon IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-25   
815-429 1 Sheldon IL   224C ONVOY, LLC 358   2019-08-24   
815-429 2 Sheldon IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2015-06-25   
815-429 3 Sheldon IL   1015 FRONTIER NORTH, INC. - IL 358      
815-429 4 Sheldon IL   1015 FRONTIER NORTH, INC. - IL 358      
815-429 6 Sheldon IL   593K MCC TELEPHONY LLC 358   2010-06-28   
815-429 7 Sheldon IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-12-24   
815-429 9 Sheldon IL   073H TELNYX LLC 358   2020-07-20   

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

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