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: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-343 A Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 0 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 1 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 2 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 3 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 4 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 5 Collinsville IL STLTMOBOAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520      
618-343 6 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 7 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 8 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      
618-343 9 Collinsville IL COVLILCQDS0  9329 ILLINOIS BELL TEL CO 520      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.