We will be closed Friday, June 19th in observance of the Federal holiday Juneteenth.

Online Banking Change - Effective June 24, 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! 

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.

Check with routing number highlighted in lower left

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