The Frontier Bank
| Status: | Inactive as of 01/01/1985 |
| Merger - Without Assistance | |
| Successor Bank: | First National Bank |
| Headquarters: | The Frontier Bank Old Highway 16 And Main Street Murdo, SD 57559 |
| Established: | 05/30/1912 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #6067 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $11,271,000 |
| Total Deposits: | $9,905,000 |
History
| 1912-05-30 | Institution established: Original name:Okaton State Bank | |
| 1981-10-23 | Changed name to The Frontier Bank | |
| 1983-05-02 | Moved bank headquarters from OKATON, SD to MURDO, SD | |
| 1985-01-01 | Merged into and subsequently operated as part of First National Bank in Pierre (14712) in PIERRE, SD | |
| 1985-05-01 | Changed name to First National Bank (14712) | |
| 1989-10-01 | Acquired First State Bank of McLaughlin (9948) in MCLAUGHLIN, SD | |
| 1992-12-05 | Acquired Security Bank of South Dakota, National Association (3984) in FORT PIERRE, SD | |
| 2000-01-24 | Moved bank headquarters from PIERRE, SD to FORT PIERRE, SD | |
| 2003-09-01 | Acquired Arapahoe Bank and Trust (21001) in ENGLEWOOD, CO | |
| 2019-08-05 | Acquired Advantage Bank (57072) in LOVELAND, CO |