Local Calling Guide

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

NXX: 449

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-449 A Dakota IL DAKTILXARS1  1036 FRONTIER NORTH, INC. - IL 360      
815-449 0 Dakota IL   624H ONVOY SPECTRUM, LLC 360   2021-12-14   
815-449 1 Dakota IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-06-28   
815-449 2 Dakota IL   1036 FRONTIER NORTH, INC. - IL 360      
815-449 3 Dakota IL   224C ONVOY, LLC 360   2023-09-17   
815-449 4 Dakota IL   224C ONVOY, LLC 360   2020-07-18   
815-449 5 Dakota IL   224C ONVOY, LLC 360   2021-04-02   
815-449 7 Dakota IL   508J CENTURYLINK COMMUNICATIONS, LLC 360   2016-01-23   
815-449 8 Dakota IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2022-04-17   
815-449 9 Dakota IL   1036 FRONTIER NORTH, INC. - IL 360      

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

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