First Southwest Bank
| Status: | Inactive as of 12/16/1988 |
| Absorption - Assisted | |
| Successor Bank: | First State Bank and Trust Company |
| Headquarters: | First Southwest Bank 419 West Main Street Eldorado, OK 73537 |
| Established: | 09/11/1902 |
| FDIC Insurance: | 07/01/1939 |
| FDIC Cert: | #15670 |
| Charter Class: | Commercial bank, state charter and Fed member, supervised by the Federal Reserve (FRB) |
| Total Assets: | $9,826,000 |
| Total Deposits: | $9,710,000 |
History
| 1902-09-11 | Institution established: Original name:First State Bank | |
| 1984-03-01 | Changed name to First Southwest Bank | |
| 1988-12-16 | Failed. Acquired with government financial assistance and subsequently operated as part of First State Bank and Trust Company (6003) | |
| 1989-12-13 | Acquired City National Bank of Sayre (4192) in SAYRE, OK | |
| 1996-07-17 | Institution established: Original name:Great Plains National Bank (34207) | |
| 1996-07-17 | Acquired First State Bank and Trust Company (6003) in HOLLIS, OK | |
| 1996-07-17 | Acquired The First National Bank of Mangum (4137) in MANGUM, OK | |
| 1996-07-17 | Merged into and subsequently operated as part of Great Plains National Bank (34207) in ELK CITY, OK | |
| 2018-05-18 | Acquired Liberty FSB (28407) in ENID, OK |