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Co-op Credit Union

Contact Us

Connect With Us

We appreciate hearing from you and are always available to answer questions or provide information. Please feel free to contact us in the way most convenient for you:

  • By Phone: 800-258-0023 or 715-284-5333 
  • By Mail: 100 East Main Street PO Box 157, Black River Falls, WI 54615
  • By Fax: 715-284-5112
  • By Email
Please note: Emails are not secure transmissions, so please do not send account numbers, social security numbers or any other information you would like to keep private to Co-op Credit Union or anyone else in an email message.
If you currently are a CCU member, you can send secure messages to us through CCU Online and CCU Mobile.
  • In CCU Online, log in and click the "Message Center" link in the upper right of the screen. Then, click "New" and a form will appear allowing you to type and send your secure message.
  • In CCU Mobile, log in and select "Messages" from the main menu. Then, touch the pencil icon in the lower right to compose a message. Type your subject and message in the fields and send.

Lost/Stolen/Fraud Phone Numbers for Credit Card:

  • During regular business hours, call: CCU at: 800-258-0023
  • After regular business hours, call: 800-357-4441
  • To dispute a charge or charges on your Credit Card, call: 1-800-357-4441
  • To contact the fraud department to verify transactions, call: 1-833-763-2013

Lost/Stolen/Fraud Phone Numbers for Debit Card:

  • Report a card lost or stolen or for questions about the card account: 844-269-3473
  • Initiating a dispute for fraud or non-fraud transactions: 844-269-3488