US bank data · source-specific evidence

MOUNTAIN WEST

MOUNTAIN WEST in Butte, MT: NCUA identifier, address, linked locations and source date. Routing assignments are checked separately.

Institution details

Source identifier
NCUA cu:8129
Type
credit union
Address
P.O. Box 4295, Butte, MT 59701-1916
Source status
Active in this snapshot
Snapshot
2026-03-31

Review the official NCUA source

Routing numbers and payment rails

Institution identity is not a routing-number assignment. This NCUA record does not establish ACH, Fedwire, FedNow or RTP eligibility. Obtain the routing number from your bank, then check the source observations in our routing checker. We do not guess routing numbers from bank names.

US accounts do not use IBANs. This directory does not verify account existence, ownership, balances or payment acceptance.

Recorded locations: 4

Showing up to 20 locations linked by the official source identifier, not by name similarity. Confirm current opening status with the institution.

Mountain West FCU

400 E Park St
Butte, MT 59701-1916

disaster recovery

905 17th St
Butte, MT 59701

vital records location

905 17th St
Butte, MT 59701-8312

Libby Branch

1010 Minnesota Ave
Libby, MT 59923-2234