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: BLNGMTMAXMD

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-219 6 Bozeman MT 6529 T-MOBILE USA, INC. 650   2021-09-26   
406-409 5 Billings MT 6529 T-MOBILE USA, INC. 650   2023-01-24   
406-409 8 Billings MT 6529 T-MOBILE USA, INC. 650   2020-10-26   
406-409 9 Billings MT 6529 T-MOBILE USA, INC. 650   2020-10-26   
406-451 A Bozeman MT 6529 T-MOBILE USA, INC. 650      
406-451 9 Bozeman MT 6529 T-MOBILE USA, INC. 650   2004-09-27   
406-503 4 Billings MT 5562 METROPCS, INC. 650   2023-09-24   
406-506 8 Billings MT 6529 T-MOBILE USA, INC. 650   2020-09-03   
406-561 A Billings MT 6529 T-MOBILE USA, INC. 650      
406-561 0 Billings MT 6529 T-MOBILE USA, INC. 650   2020-02-02   
406-561 1 Billings MT 6529 T-MOBILE USA, INC. 650   2020-02-02   
406-561 2 Billings MT 5562 METROPCS, INC. 650   2018-08-04   
406-561 3 Billings MT 6529 T-MOBILE USA, INC. 650   2019-04-28   
406-561 4 Billings MT 6529 T-MOBILE USA, INC. 650   2019-04-28   
406-561 5 Billings MT 6529 T-MOBILE USA, INC. 650   2018-11-25   
406-561 6 Billings MT 6529 T-MOBILE USA, INC. 650   2018-05-10   
406-561 7 Billings MT 6529 T-MOBILE USA, INC. 650   2018-05-10   
406-561 8 Billings MT 6529 T-MOBILE USA, INC. 650   2018-03-22   
406-561 9 Billings MT 6529 T-MOBILE USA, INC. 650   2017-11-01   
406-589 A Bozeman MT 6529 T-MOBILE USA, INC. 650      
406-589 0 Bozeman MT 5562 METROPCS, INC. 650   2018-08-04   
406-589 1 Bozeman MT 6529 T-MOBILE USA, INC. 650   2022-09-17   
406-589 2 Bozeman MT 6529 T-MOBILE USA, INC. 650   2020-04-11   
406-589 8 Bozeman MT 6529 T-MOBILE USA, INC. 650   2019-04-28   
406-589 9 Bozeman MT 6529 T-MOBILE USA, INC. 650   2017-12-12   
406-608 0 Billings MT 6529 T-MOBILE USA, INC. 650   2022-08-29   
406-608 7 Billings MT 6529 T-MOBILE USA, INC. 650   2022-08-29   
406-608 8 Billings MT 6529 T-MOBILE USA, INC. 650   2022-08-29   
406-608 9 Billings MT 6529 T-MOBILE USA, INC. 650   2022-08-29   
406-717 4 Billings MT 6529 T-MOBILE USA, INC. 650   2022-01-14   
406-717 5 Billings MT 6529 T-MOBILE USA, INC. 650   2022-01-14   
406-717 8 Billings MT 6529 T-MOBILE USA, INC. 650   2021-03-12   
406-717 9 Billings MT 6529 T-MOBILE USA, INC. 650   2021-03-12   
406-804 9 Gardiner MT 6529 T-MOBILE USA, INC. 650   2023-08-21   
406-848 3 Gardiner MT 6529 T-MOBILE USA, INC. 650   2023-10-09   
406-898 7 Bozeman MT 6529 T-MOBILE USA, INC. 650   2022-02-25   
406-898 8 Bozeman MT 6529 T-MOBILE USA, INC. 650   2022-09-17   
406-901 0 Billings MT 6529 T-MOBILE USA, INC. 650   2022-01-14   
406-901 1 Billings MT 6529 T-MOBILE USA, INC. 650   2022-01-14   
406-901 3 Billings MT 6529 T-MOBILE USA, INC. 650   2022-01-14   
406-901 5 Billings MT 6529 T-MOBILE USA, INC. 650   2021-11-17   
406-901 6 Billings MT 6529 T-MOBILE USA, INC. 650   2021-11-17   
406-901 7 Billings MT 6529 T-MOBILE USA, INC. 650   2021-11-17   
406-901 8 Billings MT 6529 T-MOBILE USA, INC. 650   2021-11-17   
406-920 5 Bozeman MT 6529 T-MOBILE USA, INC. 650   2021-04-15   
406-920 9 Bozeman MT 6529 T-MOBILE USA, INC. 650   2020-12-14   
406-922 7 Bozeman MT 6529 T-MOBILE USA, INC. 650   2022-02-25   
406-970 4 Billings MT 6529 T-MOBILE USA, INC. 650   2021-08-22   
406-970 5 Billings MT 6529 T-MOBILE USA, INC. 650   2021-08-22   
406-970 6 Billings MT 6529 T-MOBILE USA, INC. 650   2021-08-22   

1 2 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.