FDIC-insured bank
TrailWest Bank — Lolo, MT
Bank headquartered in Lolo, Montana, part of BITTERROOT HOLDING CO.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 11300 Us Highway 93 S Lolo, MT 59847 |
| County | Missoula |
| Metro area | Missoula, MT |
| Website | www.trailwest.bank |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 23806 |
| Federal Reserve RSSD ID | 615954 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | BITTERROOT HOLDING CO |
| Domestic offices | 15 |
| Financials as of | June 30, 2026 |
How to find your TrailWest Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.trailwest.bank.
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Offices nearest to headquarters
| Trailwest Bank main office Lolo, MT |
11300 Us Highway 93 S, 59847 |
| Trailwest Bank Missoula Dearborn Missoula, MT |
2575 Dearborn Avenue, 59804 |
| Missoula Broadway Branch Missoula, MT |
2425 W Broadway St, 59808 |
| Missoula Downtown Branch Missoula, MT |
218 E Main St, 59802 |
| Airway Boulevard Branch Missoula, MT |
5600 Airway Blvd, 59808 |
| Milltown Branch Missoula, MT |
7676 Montana 200, 59802 |
| North Valley Branch At Super One Foods Stevensville, MT |
39 Stevensville Cutoff Rd, 59870 |
| Frenchtown Branch Frenchtown, MT |
16600 Beckwith St, 59834 |
| Corvallis Branch Corvallis, MT |
1070 Eastside Hwy, 59828 |
| Blodgett View Branch Hamilton, MT |
1131 N 1st St, 59840 |
| Ravalli Main Office Hamilton, MT |
244 Pinckney St, 59840 |
| Superior Branch Superior, MT |
200 River St, 59872 |
15 offices in total. Browse them by city through the state pages.
Where TrailWest Bank has offices
Cities with the most TrailWest Bank offices
Largest banks headquartered elsewhere in Montana
| Glacier Bank Kalispell | $31.58 billion |
| First Interstate Bank Billings | $25.79 billion |
| Stockman Bank of Montana Miles City | $7.75 billion |
| Opportunity Bank of Montana Helena | $2.12 billion |
| Independence Bank Havre | $1.39 billion |
| The Yellowstone Bank Laurel | $1.34 billion |
| Bank of Bridger, National Association Bridger | $802.73 million |
| Farmers State Bank Victor | $790.33 million |
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