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: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-589 A Bozeman MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-589 0 Bozeman MT BLNGMTMAXMD  5562 METROPCS, INC. 650   2018-08-04   
406-589 1 Bozeman MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-09-17   
406-589 2 Bozeman MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2020-04-11   
406-589 3 Bozeman MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2018-07-23   
406-589 4 Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-07-20   
406-589 5 Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-08-20   
406-589 6 Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-10-15   
406-589 7 Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-01-13   
406-589 8 Bozeman MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2019-04-28   
406-589 9 Bozeman MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2017-12-12   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.