NCUA-insured credit union
Rimrock
Credit Union headquartered in Billings, Montana.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 952 Central Ave Billings, MT 59102 |
| County | Yellowstone |
| Website | not published in NCUA data |
| Phone | (406) 248-3685 |
NCUA record
| NCUA Charter | 63183 |
| Federal Reserve RSSD ID | 604994 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
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.
See how your odds compare before you apply at Rimrock.
Offices
| Rimrock Credit Union main office Billings, MT |
952 Central Ave, 59102 (406) 248-3685 9:00 am to 5:30 pm |
Where Rimrock has offices
Other credit unions headquartered in Billings
| Altana | $660.22 million |
| Valley Financial | $593.70 million |
| Billings | $218 million |