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Sat: 8:30 a.m. – noon

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Mon – Fri: 8 a.m. – 5:30 p.m.
Sat: 8:30 a.m. – noon


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Mailing addresses

Please send mail to the appropriate address(es) listed below:

Deposits and/or Payments
Members Cooperative Credit Union
P.O. Box 161618
Duluth, MN  55816

General Mail
Members Cooperative Credit Union
P.O. Box 161527
Duluth, MN  55816

Financial Health Solutions Mail
Members Cooperative Credit Union
P.O. Box 161588
Duluth, MN 55816

If you would like to contact our supervisory committee, please mail your correspondence to: Members Cooperative Credit Union, Supervisory Committee, P.O. Box 161527, Duluth, MN 55816.

Frequently asked questions

  • View all our holiday closures. As always, you can access your accounts 24/7/365 with online banking or our mobile app and our network of ATMs.

  • We have offices in Aitkin, Baxter, Cloquet, Duluth (BlueStone, Miller Hill and Spirit Valley), Grand Rapids, Isanti, McGregor, Moose Lake, North Branch and Sandstone. For addresses and maps see our Branch & ATM page.

  • Please visit our Branch & ATM page for branch business hours.

  • Our fax number is: 218-625-3018.

  • It’s likely that you may be! Please visit Become a member, give us a call at: 1-800-296-8871, or stop by a branch location.

  • You can change your address by logging into online banking and securely making updates.

  • Send us an e-mail and share your thoughts with us at:!

  • Members Cooperative Credit Union makes accurate credit reporting a priority and will promptly investigate dispute claims when the following is provided:

    Sufficient information to identify the account or other relationship that is in dispute, such as an account number and the name, address and telephone number of the consumer;

    The specific information that the consumer is disputing and an explanation of the basis for the dispute; and

    All supporting documentation or other information reasonably required by the credit union to substantiate the basis of the dispute (e.g., a copy of consumer report allegedly containing the inaccurate information, a police report, ID theft affidavit, court order, account statements, etc.)

    The credit union is not required to investigate disputes that are determined to be frivolous. To make a credit reporting discrepancy claim, please submit the credit dispute report form contained in the link below along with the information listed above. The mailing address is: Members Cooperative Credit Union, P.O. Box 161527, Duluth, MN 55816.

    Credit Dispute Report Form


Use of online or other electronic services may require specific hardware and software and your agreement to certain terms and conditions. Access is subject to the availability of the internet, cellphone and network coverage and plans, and typical service interruptions stemming from your providers or the credit union’s providers. Membership required.

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