Local Calling Guide

Area code/prefix search

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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 827

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-827 A Maple Park IL MAPKILXARS0  1036 FRONTIER NORTH, INC. - IL 364      
815-827 0 Maple Park IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364   2010-04-09   
815-827 1 Maple Park IL   224C ONVOY, LLC 364   2019-09-07   
815-827 3 Maple Park IL   1036 FRONTIER NORTH, INC. - IL 364      
815-827 4 Maple Park IL   1036 FRONTIER NORTH, INC. - IL 364      
815-827 5 Maple Park IL   1036 FRONTIER NORTH, INC. - IL 364      
815-827 6 Maple Park IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364   2002-11-29   
815-827 7 Maple Park IL   224C ONVOY, LLC 364   2018-10-01   
815-827 8 Maple Park IL   508J CENTURYLINK COMMUNICATIONS, LLC 364   2014-08-08   
815-827 9 Maple Park IL   1036 FRONTIER NORTH, INC. - IL 364      

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

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