Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-665 A Ottawa IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
815-665 0 Ottawa IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
815-665 1 Ottawa IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
815-665 3 Ottawa IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
815-665 4 Ottawa IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-01   
815-665 5 Ottawa IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-01   
815-665 6 Ottawa IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-01   
815-665 7 Ottawa IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-01   
815-665 8 Ottawa IL   224C ONVOY, LLC 358   2024-03-08   
815-665 9 Ottawa IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-12-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.