Credit Union Routing Number
Summit Credit Union Routing Number
The routing number for Summit Credit Union is 275979034. It is a credit union in Cottage Grove, Wisconsin, NCUA charter 67190.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Summit Credit Union
Summit Credit Union is based in Cottage Grove, Wisconsin, and has been chartered since 1935. It reported $8.52B in assets for Q2 2026, the 1st largest of 98 credit unions headquartered in Wisconsin and 46th of 4,252 nationally. Assets were $7.79B a year earlier (Q2 2025), so the credit union is larger now. It counted 281,962 members on that report. The NCUA lists 57 branch locations for the credit union.
Record
- Routing number
- 275979034
- NCUA charter number
- 67190
- RSSD ID
- 734499
- Headquarters
- Cottage Grove, Wisconsin 53527
- Chartered
- 1935
- NCUA insured since
- November 4, 1987
- Total assets (Q2 2026)
- $8.52B
- Members (Q2 2026)
- 281,962
- Branch locations
- 57
- Routing record refreshed
- October 8, 2026
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Regulator records: NCUA credit union profile (charter 67190) · FFIEC NIC profile (RSSD 734499)