Credit Union Routing Number
Marine Credit Union Routing Number
The routing number for Marine Credit Union is 275977489. It is a credit union in La Crosse, Wisconsin, NCUA charter 66752.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Marine Credit Union
Marine Credit Union is based in La Crosse, Wisconsin, and has been chartered since 1949. It reported $1.14B in assets for Q2 2026, the 14th largest of 98 credit unions headquartered in Wisconsin and 425th of 4,252 nationally. Assets were $1.05B a year earlier (Q2 2025), so the credit union is larger now. It counted 75,288 members on that report. The NCUA lists 18 branch locations for the credit union.
Record
- Routing number
- 275977489
- NCUA charter number
- 66752
- RSSD ID
- 209595
- Headquarters
- La Crosse, Wisconsin 54601
- Chartered
- 1949
- NCUA insured since
- January 3, 1986
- Total assets (Q2 2026)
- $1.14B
- Members (Q2 2026)
- 75,288
- Branch locations
- 18
- Routing record refreshed
- October 8, 2026
Routing numbers in La Crosse, WI
- Credit union
- Altra Federal Credit Union: 291881216
- Bank
- Citizens State Bank - La Crosse: 091804833
- Bank
- Coulee Bank: 091800374
- Bank
- State Bank Financial: 091800316
- Credit union
- Firefighters Credit Union: 291881122
- Credit union
- Governmental Employees Credit Union: 291881083
- Credit union
- Gundersen Credit Union: 291881177
View Marine Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 66752) · FFIEC NIC profile (RSSD 209595)