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: 508

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-508 A Flora IL OLNYILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978      
618-508 0 Flora IL OLNYILXEGMD  224C ONVOY, LLC 978   2023-09-11   
618-508 1 Flora IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2008-07-11   
618-508 2 Flora IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2003-03-08   
618-508 3 Flora IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2003-03-08   
618-508 4 Flora IL OLNYILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978   2002-12-21   
618-508 5 Flora IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2004-04-17   
618-508 8 Flora IL OLNYILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978   2014-05-26   
618-508 9 Flora IL OLNYILXEEMD  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 978   2003-06-04   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.