NCUA-insured credit union
Mountain West — Butte, MT
Credit Union headquartered in Butte, Montana.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | P.O. Box 4295 Butte, MT 59701 |
| County | Silver Bow |
| Website | not published in NCUA data |
| Phone | (406) 782-9760 |
NCUA record
| NCUA Charter | 8129 |
| Federal Reserve RSSD ID | 554080 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
How to find your Mountain West routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
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Offices
| Mountain West Fcu main office Butte, MT |
400 E Park St, 59701 (406) 782-9760 9:00 a.m.--5:00 p.m. Monday-Friday |
| Disaster Recovery Butte, MT |
905 17Th St, 59701 (406) 490-3756 |
| Vital Records Location Butte, MT |
905 17Th St, 59701 (406) 490-3756 |
| Libby Branch Libby, MT |
1010 Minnesota Ave, 59923 (406) 293-6421 9:30-5:00 |
Where Mountain West has offices
Cities with the most Mountain West offices
Other credit unions headquartered in Butte
| Butte Community | $37.44 million |
| Northwestern Energy Employees | $35.33 million |
| Mile High | $29.25 million |
Largest credit unions headquartered elsewhere in Montana
| Whitefish Credit Union Association Whitefish | $2.06 billion |
| Clearwater Missoula | $1.15 billion |
| Altana Billings | $660.22 million |
| Valley Financial Billings | $593.70 million |
| Rocky Mountain Helena | $424.26 million |
| Park Side Financial Whitefish | $389.09 million |
| Montana Great Falls | $358.93 million |
| Intrepid Helena | $310.48 million |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
