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: 367

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-367 A Winslow IL WNSLILXARS1  1036 FRONTIER NORTH, INC. - IL 360      
815-367 1 Winslow IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-06-28   
815-367 2 Winslow IL   1036 FRONTIER NORTH, INC. - IL 360      
815-367 3 Winslow IL   224C ONVOY, LLC 360   2021-07-05   
815-367 4 Winslow IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360   2021-09-13   
815-367 5 Winslow IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 360   2021-07-01   
815-367 6 Winslow IL   224C ONVOY, LLC 360   2021-04-02   
815-367 7 Winslow IL   508J CENTURYLINK COMMUNICATIONS, LLC 360   2016-02-20   
815-367 8 Winslow IL   224C ONVOY, LLC 360   2020-07-18   
815-367 9 Winslow IL   1036 FRONTIER NORTH, INC. - IL 360      

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

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