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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-448 A Mascoutah IL MTVRILMV9MD  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520      
618-448 0 Mascoutah IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2008-06-07   
618-448 1 Mascoutah IL STLVMOOH3MD  5562 METROPCS, INC. 520   2014-07-25   
618-448 2 Mascoutah IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2018-08-12   
618-448 4 Mascoutah IL STLSMOWQDS2  224C ONVOY, LLC 520   2018-07-29   
618-448 5 Mascoutah IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-448 6 Mascoutah IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-07-29   
618-448 7 Mascoutah IL STLSMO05XPX  506J TWILIO INTERNATIONAL, INC. 520   2021-06-10   
618-448 8 Mascoutah IL STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-16   
618-448 9 Mascoutah IL MTVRILMV9MD  075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2007-06-08   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.