FDIC-insured bank

TrailWest Bank

Bank headquartered in Lolo, Montana, part of BITTERROOT HOLDING CO.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$1.11 billion
Total deposits
$860.23 million
Branches
15
FDIC-insured since
1982
Established
1982

Headquarters and contact

Address11300 Us Highway 93 S
Lolo, MT 59847
CountyMissoula
Metro areaMissoula, MT
Websitewww.trailwest.bank
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate23806
Federal Reserve RSSD ID615954
StatusActive
Charter classNM (STATE)
Holding companyBITTERROOT HOLDING CO
Domestic offices15
Financials as ofJune 30, 2026

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.
See how your odds compare before you apply at TrailWest Bank.

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