First Interstate Bank of Montana
| Status: | Inactive as of 06/21/1997 |
| Merger - Without Assistance | |
| Successor Bank: | First Interstate Bank |
| Headquarters: | First Interstate Bank of Montana 2 Main Street Kalispell, MT 59901 |
| Established: | 04/15/1891 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #2189 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
| Total Assets: | $284,467,000 |
| Total Deposits: | $178,509,000 |
History
| 1891-04-15 | Institution established: Original name:The Conrad National Bank of Kalispell | |
| 1981-06-01 | Changed name to First Interstate Bank of Kalispell, National Association | |
| 1990-07-02 | Acquired First Interstate Bank of Great Falls (1109) in GREAT FALLS, MT | |
| 1990-07-02 | Changed name to First Interstate Bank of Montana, National Association | |
| 1990-07-02 | Acquired First Interstate Bank of Glacier County (15406) in CUT BANK, MT | |
| 1997-06-21 | Merged into and subsequently operated as part of First Interstate Bank (1105) in BILLINGS, MT | |
| 1997-06-21 | Changed name to First Interstate Bank (1105) | |
| 1997-06-21 | Acquired Mountain Bank (19279) in WHITEFISH, MT | |
| 1997-12-23 | Acquired First Interstate Bank, FSB (34260) in HAMILTON, MT | |
| 1999-09-01 | Acquired Security State Bank and Trust Company (362) in POLSON, MT | |
| 2001-11-10 | Acquired First Interstate Bank (524) in SHERIDAN, WY | |
| 2003-01-27 | Acquired The United States National Bank of Red Lodge (2200) in RED LODGE, MT | |
| 2009-09-26 | Acquired First Western Bank (488) in WALL, SD | |
| 2009-09-26 | Acquired The First Western Bank Sturgis (26773) in STURGIS, SD | |
| 2014-10-18 | Acquired Mountain West Bank, National Association (33314) in HELENA, 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 |