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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-423 A Elwood IL ELWDILAWRS0  9329 ILLINOIS BELL TEL CO 358      
815-423 1 Elwood IL ELWDILAWRS0  9329 ILLINOIS BELL TEL CO 358      
815-423 2 Elwood IL ELWDILAWRS0  9329 ILLINOIS BELL TEL CO 358      
815-423 4 Elwood IL   829J PAETEC ITEL, LLC 358      
815-423 5 Elwood IL ELWDILAWRS0  9329 ILLINOIS BELL TEL CO 358      
815-423 6 Elwood IL ELWDILAWRS0  9329 ILLINOIS BELL TEL CO 358      
815-423 7 Elwood IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
815-423 8 Elwood IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
815-423 9 Elwood IL ELWDILAWRS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.