Local Calling Guide

Area code/prefix search

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

NXX: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-313 A Ottawa IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-313 0 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-08-21   
815-313 2 Ottawa IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-05-29   
815-313 3 Ottawa IL   460K FIRST COMMUNICATIONS, LLC 358   2005-02-20   
815-313 4 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-09-04   
815-313 5 Ottawa IL   593K MCC TELEPHONY LLC 358   2005-07-15   
815-313 8 Ottawa IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-21   
815-313 9 Ottawa IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-04-09   

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

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