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: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-458 A Braidwood IL BRWDILBRRS0  9329 ILLINOIS BELL TEL CO 358      
815-458 0 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      
815-458 1 Braidwood IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-28   
815-458 2 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      
815-458 3 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      
815-458 4 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      
815-458 5 Braidwood IL   224C ONVOY, LLC 358   2016-03-28   
815-458 6 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      
815-458 7 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      
815-458 8 Braidwood IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-21   
815-458 9 Braidwood IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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