Outage Alert

Please note that Online and Mobile Banking will be unavailable due to scheduled maintenance between 11 pm Saturday and 8 am Sunday. During this time, you may continue to use your Marine Credit Union Debit Card and the Smart ATMs, located at all our branch drive-thrus.

We apologize for any inconvenience this may cause. If you have any questions or concerns, please contact us at 800.923.7280.

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What is Marine Credit Union’s routing number?

Marine Credit Union’s routing number is 275977489.

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Routing Number

275977489
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Marine Credit Union is a member-owned financial cooperative headquartered in La Crosse, Wisconsin, which serves more than 80,000 members across Wisconsin, Iowa and Minnesota.

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