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: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-617 A Ottawa IL OKBRILOADS3  7421 AT&T - LOCAL 358      
815-617 0 Ottawa IL CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   
815-617 1 Ottawa IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-02   
815-617 2 Ottawa IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-02-08   
815-617 3 Ottawa IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2010-02-25   
815-617 4 Ottawa IL OKBRILOADS3  7421 AT&T - LOCAL 358      
815-617 5 Ottawa IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-617 7 Ottawa IL CHCGILDT8MD  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 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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