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.

Hecker, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-405 A CENLILCEGMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 520      
618-405 0 STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-10   
618-405 1 COVLILCQXMX  495J STRATUS NETWORKS 520   2020-11-22   
618-405 5 STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-405 6 STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-405 9 STLSMOWQDS2  224C ONVOY, LLC 520   2023-09-18   
618-430 A CENLILCEGMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 520      
618-430 0 STLVMOOH3MD  5562 METROPCS, INC. 520   2022-03-10   
618-430 1 CENLILCEGMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 520   2010-05-20   
618-430 3 STLSMO05XPX  506J TWILIO INTERNATIONAL, INC. 520   2021-06-10   
618-430 4 STLSMOWQDS2  224C ONVOY, LLC 520   2018-07-29   
618-430 8   6529 T-MOBILE USA, INC. 520   2024-02-04   
618-430 9   6529 T-MOBILE USA, INC. 520   2024-02-04   
618-473 A HCKRILXEDS0  1036 FRONTIER NORTH, INC. - IL 520      
618-473 0 STLVMOOH3MD  5562 METROPCS, INC. 520   2022-03-10   
618-473 2 HCKRILXEDS0  1036 FRONTIER NORTH, INC. - IL 520      
618-473 3 HCKRILXEDS0  1036 FRONTIER NORTH, INC. - IL 520      
618-473 7 MTVRILMV9MD  075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2021-02-28   
618-473 8 COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-04-16   
618-473 9 HCKRILXEDS0  1036 FRONTIER NORTH, INC. - IL 520      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.