Lost or Stolen Debit Cards

Always call to report a lost or stolen card.
During business hours:

Call Rimrock Credit Union: 406-248-3685 / Toll Free at 888-578-8380

After business hours, weekends, or holidays:

Inside the U.S. call 1-888-241-2510.
Outside the U.S. call 1-909-941-1398


Rimrock Credit Union is member-owned. Profits are returned to our members in the form of higher divided rates paid on share accounts and lower rates charges on loans.

Personal Loans

A Personal Loan can help consolidate high interest debt into one low-cost payment, or provide that extra cash for your personal or home improvement needs

Online Banking

Online Banking from Rimrock Credit Union is an account management tool that fits your schedule. It's FREE and available 24 hours a day, seven days a week..