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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-428 A Martinton IL MTTNILXARS0  1015 FRONTIER NORTH, INC. - IL 358      
815-428 0 Martinton IL CHCGIL24DS6  224C ONVOY, LLC 358   2020-07-11   
815-428 1 Martinton IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-08-24   
815-428 4 Martinton IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-04-15   
815-428 5 Martinton IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-09-27   
815-428 6 Martinton IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2015-06-25   
815-428 7 Martinton IL MTTNILXARS0  1015 FRONTIER NORTH, INC. - IL 358      
815-428 9 Martinton IL CHCGIL245MD  073H TELNYX LLC 358   2020-07-16   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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