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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-243 A Okawville IL OKVLILXERS1  1036 FRONTIER NORTH, INC. - IL 520      
618-243 0 Okawville IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-28   
618-243 1 Okawville IL OKVLILXERS1  1036 FRONTIER NORTH, INC. - IL 520      
618-243 2 Okawville IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2006-06-12   
618-243 3 Okawville IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2005-03-10   
618-243 4 Okawville IL COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-22   
618-243 5 Okawville IL OKVLILXERS1  1036 FRONTIER NORTH, INC. - IL 520      
618-243 6 Okawville IL OKVLILXERS1  1036 FRONTIER NORTH, INC. - IL 520      
618-243 7 Okawville IL STLSMOWQDS2  224C ONVOY, LLC 520   2018-01-11   
618-243 8 Okawville IL MTVRILMV9MD  075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2007-06-08   
618-243 9 Okawville IL OKVLILXERS1  1036 FRONTIER NORTH, INC. - IL 520      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.