Credit Union Routing Number
Tri-County Credit Union Routing Number
The routing number for Tri-County Credit Union is 275979351. It is a credit union in Marinette, Wisconsin, NCUA charter 66640.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Tri-County Credit Union
Tri-County Credit Union is based in Marinette, Wisconsin, and has been chartered since 1936. It reported $43.3M in assets for Q2 2026, the 71st largest of 98 credit unions headquartered in Wisconsin and 2510th of 4,252 nationally. Assets were $41.7M a year earlier (Q2 2025), so the credit union is larger now. It counted 3,029 members on that report. The NCUA lists 2 branch locations for the credit union.
Record
- Routing number
- 275979351
- NCUA charter number
- 66640
- RSSD ID
- 188690
- Headquarters
- Marinette, Wisconsin 54143
- Chartered
- 1936
- NCUA insured since
- October 25, 1985
- Total assets (Q2 2026)
- $43.3M
- Members (Q2 2026)
- 3,029
- Branch locations
- 2
- Routing record refreshed
- October 10, 2026
Routing numbers of similar-size institutions in Wisconsin
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- Farmers & Merchants Bank & Trust: 075901037
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- County-City Credit Union: 275978161
- Bank, Highland, WI
- Highland State Bank: 075905554
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- Golden Rule Community Credit Union: 275981543
- Credit union, Wausau, WI
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View Tri-County Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 66640) · FFIEC NIC profile (RSSD 188690)