Local Calling Guide

Area code/prefix search

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

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-617 A Ottawa IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-617 0 Ottawa IL   495J STRATUS NETWORKS 358   2020-09-26   
815-617 1 Ottawa IL   829J PAETEC ITEL, LLC 358   2009-11-02   
815-617 2 Ottawa IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-02-08   
815-617 3 Ottawa IL   829J PAETEC ITEL, LLC 358   2010-02-25   
815-617 4 Ottawa IL   7421 AT&T - LOCAL 358      
815-617 5 Ottawa IL   624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-617 7 Ottawa IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-07-15   
815-617 8 Ottawa IL   515J IP HORIZON LLC 358   2021-06-27   
815-617 9 Ottawa IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

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

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