Credit Union Routing Number
Rimrock Credit Union Routing Number
The routing number for Rimrock Credit Union is 292976845. It is a credit union in Billings, Montana, NCUA charter 63183.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Rimrock Credit Union
Rimrock Credit Union is based in Billings, Montana, and has been chartered since 1949. It reported $64.0M in assets for Q2 2026, the 17th largest of 38 credit unions headquartered in Montana and 2185th of 4,252 nationally. Assets were $60.2M a year earlier (Q2 2025), so the credit union is larger now. It counted 3,252 members on that report. The NCUA lists 1 branch location for the credit union.
Record
- Routing number
- 292976845
- NCUA charter number
- 63183
- RSSD ID
- 604994
- Headquarters
- Billings, Montana 59102
- Chartered
- 1949
- NCUA insured since
- December 15, 1975
- Total assets (Q2 2026)
- $64.0M
- Members (Q2 2026)
- 3,252
- Branch locations
- 1
- Routing record refreshed
- October 8, 2026
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View Rimrock Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 63183) · FFIEC NIC profile (RSSD 604994)