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: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 650

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-650 A Edwardsville IL EWVLILERDS0  9329 ILLINOIS BELL TEL CO 520      
618-650 0 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 1 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 2 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 3 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 4 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 5 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 6 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 7 Edwardsville IL   9329 ILLINOIS BELL TEL CO 520      
618-650 8 Edwardsville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2013-04-28   
618-650 9 Edwardsville IL   516C AT&T CORP. 520   2011-04-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.