Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-366 A Ottawa IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 0 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 1 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 2 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 3 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 4 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 5 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 7 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 8 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-366 9 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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