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: 609

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-609 A Grayville IL OLNYILXEMMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 978      
618-609 2 Grayville IL OLNYILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978      
618-609 8 Grayville IL OLNYILXEMMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 978      
618-609 9 Grayville IL OLNYILXEMMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 978      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.