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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-255 A Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 0 Wood River IL STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-14   
618-255 1 Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 2 Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 3 Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 4 Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 5 Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 6 Wood River IL WDRVILWRRS0  9329 ILLINOIS BELL TEL CO 520      
618-255 7 Wood River IL COVLILCQXQX  829J PAETEC ITEL, LLC 520   2009-08-30   
618-255 8 Wood River IL STLSMO09DS1  7421 AT&T - LOCAL 520   2012-08-12   
618-255 9 Wood River IL COVLILCL0MD  516C AT&T CORP. 520   2011-04-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.