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.

Gallatin Gateway, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-518 A BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 0 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 1 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-518 2 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 3 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 4 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 5 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 6 BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-518 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 8 BLNGMT933MD  073H TELNYX LLC 650      
406-518 9 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-763 A GLGTMTMARS1  9636 QWEST CORPORATION 650      
406-763 0 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-763 1 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-763 2 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-763 3   145J TERRA NOVA TELECOM INC. 650      
406-763 4 GLGTMTMARS1  9636 QWEST CORPORATION 650      
406-763 5 GLGTMTMARS1  9636 QWEST CORPORATION 650      
406-763 6 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-763 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-763 8 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-763 9 GLGTMTMARS1  9636 QWEST CORPORATION 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.