We will be closed Saturday, July 4th in observance of Independence Day.

Online Banking Change - Effective June 23, 2026, answering a challenge question will no longer be an option when logging in to online banking. You may be prompted to enter a one-time code that was sent to your email. Please call 920-387-2310 if you have any questions! 

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.

About Us

Routing Number

275971142

Mayville Savings Bank's routing number is 275971142.

If you have any questions about the routing number, your account number or other details about your account, we’re happy to help!

Please note, your checking account number begins with 01.

Contact Us

Check with routing number highlighted in lower left

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