Credit Union Routing Number
Lake Superior Credit Union Routing Number
The routing number for Lake Superior Credit Union is 291173128. It is a credit union in Ontonagon, Michigan, NCUA charter 65085.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Lake Superior Credit Union
Lake Superior Credit Union is based in Ontonagon, Michigan, and has been chartered since 1959. It reported $11.2M in assets for Q2 2026, the 164th largest of 168 credit unions headquartered in Michigan and 3436th of 4,252 nationally. Assets were $10.5M a year earlier (Q2 2025), so the credit union is larger now. It counted 1,320 members on that report. The NCUA lists 1 branch location for the credit union.
Record
- Routing number
- 291173128
- NCUA charter number
- 65085
- RSSD ID
- 179090
- Headquarters
- Ontonagon, Michigan 49953
- Chartered
- 1959
- NCUA insured since
- June 27, 1979
- Total assets (Q2 2026)
- $11.2M
- Members (Q2 2026)
- 1,320
- Branch locations
- 1
- Routing record refreshed
- October 8, 2026
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Regulator records: NCUA credit union profile (charter 65085) · FFIEC NIC profile (RSSD 179090)