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.

Deer Lodge, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-415 A HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648      
406-415 0 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-415 1 HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2010-06-07   
406-415 2 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2011-01-16   
406-415 3 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-415 4 HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2015-03-15   
406-415 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-11-17   
406-415 6 HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-415 7 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-21   
406-415 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-415 9 GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-07   
406-645 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-645 4 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-01-03   
406-645 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-645 6 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-645 7 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-645 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-645 9 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-846 A DRLDMTMARS1  9636 QWEST CORPORATION 648      
406-846 1 DRLDMTMARS1  9636 QWEST CORPORATION 648      
406-846 2 DRLDMTMARS1  9636 QWEST CORPORATION 648      
406-846 3 DRLDMTMARS1  9636 QWEST CORPORATION 648      
406-846 4 HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2007-05-15   
406-846 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2006-10-19   
406-846 7 DRLDMTMARS1  9636 QWEST CORPORATION 648      
406-846 9 DRLDMTMARS1  9636 QWEST CORPORATION 648      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.