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: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-591 A Hanover IL HNVRILXARS0  1036 FRONTIER NORTH, INC. - IL 360      
815-591 0 Hanover IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360   2020-10-03   
815-591 1 Hanover IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-06-28   
815-591 2 Hanover IL   1036 FRONTIER NORTH, INC. - IL 360      
815-591 3 Hanover IL   1036 FRONTIER NORTH, INC. - IL 360      
815-591 4 Hanover IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2021-02-23   
815-591 5 Hanover IL   224C ONVOY, LLC 360   2020-07-18   
815-591 6 Hanover IL   224C ONVOY, LLC 360   2021-04-02   
815-591 7 Hanover IL   508J CENTURYLINK COMMUNICATIONS, LLC 360   2016-02-18   
815-591 9 Hanover IL   1036 FRONTIER NORTH, INC. - IL 360      

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

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