FDIC Digital Sign, using the official FDIC wordmark. This digital sign indicates the deposit institution is backed by the full faith and credit of the US government.

Resource Center

Mar 20, 2024

Important Information for Users of our Online Services

Marathon Bank and your log-in credentials

We will never call, email or otherwise contact you to request your access ID, password, or other log-in credentials for the online services we offer. If you receive such a request, do not provide any information. Contact us at (715)845-7331 or toll free at (844)864-7330 to report the incident.

Reporting Suspicious Activity

If you see suspicious activity on your account(s) or have received a suspicious call, email, letter or other similar contact regarding your relationship to Marathon Bank, call (715)845-7331 or toll free at (844)864-7330 or your local branch.