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.

Du Quoin, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-542 A DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 0 CRDLIL310MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 362   2010-05-09   
618-542 1 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 2 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 3 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 4 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 5 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 6 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 7 CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2007-03-02   
618-542 8 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-542 9 DUQNILXEDS0  1015 FRONTIER NORTH, INC. - IL 362      
618-626 A CRDLILXEX7X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362      
618-626 0 CRDLILXEXJX  073H TELNYX LLC 362   2020-07-06   
618-626 1 CRDLIL13AMD  495J STRATUS NETWORKS 362   2020-12-19   
618-626 2 CRDLILXEX8X  224C ONVOY, LLC 362   2019-09-07   
618-626 3 CRDLILXEXYX  624H ONVOY SPECTRUM, LLC 362   2023-06-30   
618-626 6 CRDLILXEX7X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362   2019-01-18   
618-790 A CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-790 0 CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-790 1 CRDLILXEX8X  224C ONVOY, LLC 362   2018-10-01   
618-790 2 HRBGILCBDS0  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 362   2003-02-03   
618-790 3 CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2003-03-08   
618-790 4 CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2003-03-08   
618-790 5 CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2005-10-15   
618-790 6 CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2012-02-10   
618-790 7 CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2004-07-02   
618-790 8 CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2010-09-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.