First Interstate Bank
8 detailed locations
Independent directory for U.S. banks, credit unions, branches and published rates.
Data methodologyThe FDIC reported 40 deposit-reporting offices from 12 institutions in Billings as of June 30, 2025. Bankular currently provides 51 detailed location pages with addresses, maps and directions.
Reported-office totals come from the annual FDIC Summary of Deposits survey. Maps and branch-detail links appear only for locations with a validated Bankular location page.
Market analysis
First Interstate Bank held 27.42% of reported branch deposits in Billings. The three largest institutions together held 63.02%. Bankular places the resulting HHI of 1,771 in its moderate concentration descriptive band.
Branch map
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Detailed directory
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Location pages
Local deposit market
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| First Interstate Bank | 8 | $1.94B | 27.42% |
| U.S. Bank | 4 | $1.41B | 19.87% |
| Stockman Bank of Montana | 5 | $1.11B | 15.73% |
| Wells Fargo Bank | 4 | $996.1M | 14.06% |
| Glacier Bank | 6 | $804.7M | 11.36% |
| The Yellowstone Bank | 3 | $471.3M | 6.65% |
| Opportunity Bank of Montana | 3 | $110.5M | 1.56% |
| Little Horn State Bank | 1 | $88.7M | 1.25% |
| Bravera Bank | 2 | $67.7M | 0.96% |
| JPMorgan Chase Bank | 2 | $44.0M | 0.62% |
| First Federal Bank & Trust | 1 | $36.4M | 0.51% |
| Davidson Trust Co. | 1 | $0 | 0.00% |