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: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 662

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-662 A Bridger MT BRDGMT01RS1  9636 QWEST CORPORATION 650      
406-662 0 Bridger MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-662 1 Bridger MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-662 2 Bridger MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650      
406-662 3 Bridger MT BRDGMT01RS1  9636 QWEST CORPORATION 650      
406-662 4 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-662 5 Bridger MT BRDGMT01RS1  9636 QWEST CORPORATION 650      
406-662 6 Bridger MT   624H ONVOY SPECTRUM, LLC 650      
406-662 7 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-662 8 Bridger MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-662 9 Bridger MT BRDGMT01RS1  9636 QWEST CORPORATION 650      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.