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.

Switch: BLNGMTAS9MD

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-641 8 West Yellowstone MT 453F ONVOY, LLC - MT 650   2021-03-07   
406-641 9 West Yellowstone MT 453F ONVOY, LLC - MT 650   2021-03-07   
406-646 3 West Yellowstone MT 453F ONVOY, LLC - MT 650   2007-03-19   
406-646 8 West Yellowstone MT 453F ONVOY, LLC - MT 650   2023-08-20   
406-662 4 Bridger MT 453F ONVOY, LLC - MT 650   2011-04-29   
406-662 7 Bridger MT 453F ONVOY, LLC - MT 650   2007-04-14   
406-668 4 Fromberg MT 453F ONVOY, LLC - MT 650   2011-10-20   
406-668 5 Fromberg MT 453F ONVOY, LLC - MT 650   2023-08-20   
406-668 6 Fromberg MT 453F ONVOY, LLC - MT 650   2007-03-19   
406-686 7 Clyde Park MT 453F ONVOY, LLC - MT 650   2007-04-14   
406-686 8 Clyde Park MT 453F ONVOY, LLC - MT 650   2011-10-20   
406-703 3 Columbus MT 453F ONVOY, LLC - MT 650   2021-08-28   
406-717 6 Billings MT 453F ONVOY, LLC - MT 650   2020-04-04   
406-717 7 Billings MT 453F ONVOY, LLC - MT 650   2020-04-04   
406-719 1 Fromberg MT 453F ONVOY, LLC - MT 650   2020-01-05   
406-719 2 Fromberg MT 453F ONVOY, LLC - MT 650   2020-11-10   
406-719 3 Fromberg MT 453F ONVOY, LLC - MT 650   2021-02-11   
406-719 4 Fromberg MT 453F ONVOY, LLC - MT 650   2019-10-20   
406-719 6 Fromberg MT 453F ONVOY, LLC - MT 650   2019-10-20   
406-719 7 Fromberg MT 453F ONVOY, LLC - MT 650   2020-01-05   
406-719 9 Fromberg MT 453F ONVOY, LLC - MT 650   2021-02-11   
406-720 1 Colstrip MT 453F ONVOY, LLC - MT 650   2021-07-05   
406-720 2 Colstrip MT 453F ONVOY, LLC - MT 650   2019-09-15   
406-720 4 Colstrip MT 453F ONVOY, LLC - MT 650   2019-09-15   
406-720 5 Colstrip MT 453F ONVOY, LLC - MT 650   2012-12-17   
406-720 6 Colstrip MT 453F ONVOY, LLC - MT 650   2012-12-17   
406-720 7 Colstrip MT 453F ONVOY, LLC - MT 650   2012-12-17   
406-720 8 Colstrip MT 453F ONVOY, LLC - MT 650   2012-12-17   
406-729 1 Wilsall MT 453F ONVOY, LLC - MT 650   2021-07-08   
406-729 2 Wilsall MT 453F ONVOY, LLC - MT 650   2020-11-10   
406-729 4 Wilsall MT 453F ONVOY, LLC - MT 650   2019-09-15   
406-729 5 Wilsall MT 453F ONVOY, LLC - MT 650   2021-03-19   
406-729 6 Wilsall MT 453F ONVOY, LLC - MT 650   2019-09-15   
406-729 8 Wilsall MT 453F ONVOY, LLC - MT 650   2021-03-19   
406-729 9 Wilsall MT 453F ONVOY, LLC - MT 650   2023-08-20   
406-740 5 Colstrip MT 453F ONVOY, LLC - MT 650   2021-02-11   
406-740 6 Colstrip MT 453F ONVOY, LLC - MT 650   2020-01-05   
406-740 8 Colstrip MT 453F ONVOY, LLC - MT 650   2019-10-28   
406-740 9 Colstrip MT 453F ONVOY, LLC - MT 650   2021-02-11   
406-742 1 Fairview (Mid-Rivers) MT 453F ONVOY, LLC - MT 650   2021-03-28   
406-742 2 Fairview (Mid-Rivers) MT 453F ONVOY, LLC - MT 650   2019-09-15   
406-742 4 Fairview (Mid-Rivers) MT 453F ONVOY, LLC - MT 650   2019-09-15   
406-742 6 Fairview (Mid-Rivers) MT 453F ONVOY, LLC - MT 650   2021-07-05   
406-743 1 Laurel MT 453F ONVOY, LLC - MT 650   2021-07-05   
406-743 2 Laurel MT 453F ONVOY, LLC - MT 650   2021-07-05   
406-743 3 Laurel MT 453F ONVOY, LLC - MT 650   2017-05-29   
406-743 5 Laurel MT 453F ONVOY, LLC - MT 650   2020-11-10   
406-747 0 Fairview MT 453F ONVOY, LLC - MT 650   2020-01-05   
406-747 2 Fairview MT 453F ONVOY, LLC - MT 650   2020-01-05   
406-747 4 Fairview MT 453F ONVOY, LLC - MT 650   2019-10-28   

<< 1 2 3 4 5 6 7 8 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.