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: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-427 A St Anne IL STANILSARS1  9329 ILLINOIS BELL TEL CO 358      
815-427 0 St Anne IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
815-427 1 St Anne IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-04-11   
815-427 2 St Anne IL CHCGILCLXOX  516C AT&T CORP. 358   2011-10-28   
815-427 3 St Anne IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
815-427 4 St Anne IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-04-11   
815-427 5 St Anne IL CHCGIL24DS6  224C ONVOY, LLC 358   2018-09-16   
815-427 6 St Anne IL STANILSARS1  9329 ILLINOIS BELL TEL CO 358      
815-427 7 St Anne IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-25   
815-427 8 St Anne IL STANILSARS1  9329 ILLINOIS BELL TEL CO 358      
815-427 9 St Anne IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-09-27   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.