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: 849

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-849 A Sublette IL SBLTILXARS0  1036 FRONTIER NORTH, INC. - IL 364      
815-849 0 Sublette IL   073H TELNYX LLC 364   2020-07-20   
815-849 1 Sublette IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364   2022-04-17   
815-849 2 Sublette IL   495J STRATUS NETWORKS 364   2020-10-14   
815-849 3 Sublette IL   624H ONVOY SPECTRUM, LLC 364   2023-07-07   
815-849 4 Sublette IL   224C ONVOY, LLC 364   2018-10-01   
815-849 5 Sublette IL   1036 FRONTIER NORTH, INC. - IL 364      
815-849 6 Sublette IL   224C ONVOY, LLC 364   2021-04-03   
815-849 7 Sublette IL   508J CENTURYLINK COMMUNICATIONS, LLC 364   2014-08-08   
815-849 8 Sublette IL   224C ONVOY, LLC 364   2019-09-07   
815-849 9 Sublette IL   1036 FRONTIER NORTH, INC. - IL 364      

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

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