Mountain West Bank
| Status: | Inactive as of 10/18/2014 |
| Merger - Without Assistance | |
| Successor Bank: | First Interstate Bank |
| Headquarters: | Mountain West Bank 1225 Cedar Street Helena, MT 59601 |
| Established: | 02/04/1991 |
| FDIC Insurance: | 02/04/1991 |
| FDIC Cert: | #33314 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
| Total Assets: | $615,611,000 |
| Total Deposits: | $511,714,000 |
History
| 1991-02-04 | Institution established: Original name:Mountain West Bank of Helena, National Association | |
| 1998-01-01 | Changed name to Mountain West Bank, National Association | |
| 1998-01-01 | Acquired Mountain West Bank of Great Falls, National Association (34081) in GREAT FALLS, MT | |
| 2009-04-04 | Acquired Mountain West Bank of Kalispell, National Association (26972) in KALISPELL, MT | |
| 2014-10-18 | Merged into and subsequently operated as part of First Interstate Bank (1105) in BILLINGS, MT | |
| 2015-07-25 | Acquired United Bank (18772) in ABSAROKEE, MT | |
| 2016-08-13 | Acquired Flathead Bank of Bigfork, Montana (20382) in BIGFORK, MT | |
| 2017-08-12 | Acquired Bank of the Cascades (22407) in BEND, OR | |
| 2018-11-10 | Acquired Inland Northwest Bank (27601) in SPOKANE, WA | |
| 2019-04-08 | Acquired Community 1st Bank (58576) in POST FALLS, ID | |
| 2019-04-08 | Acquired Idaho Independent Bank (33845) in COEUR D ALENE, ID |