UnitedOne Credit Union

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Home > Contact UnitedOne Credit Union in Manitowoc, Sheboygan WI

Contact Us

We're always close by with help or the answer to a question you might have. Select the contact method you prefer to use. We look forward to hearing from you.

Online Appointment Maker   Book an appointment with this new tool!

Email Us 24/7 From Anywhere

Feel free to email us at anytime, day or night. Regular email (including those addresses you see below) is not secure, so please do not email private information such as passwords, Social Security numbers, account numbers, etc. If you need to send sensitive information, please use the secure Contact Us form below.

Contact Us Securely

If you have any questions regarding your account or personal information, please be sure to use this secure Contact Us form:

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We're A Phone Call Away

Fraud, Lost Or Stolen Cards

During business hours: (920) 684-0361 or (920) 451-8222

After business hours:

  • Debit Card - Lost Or Stolen Card -  (920) 684-0361, or (920) 451-8222
  • Credit Card - Lost Or Stolen Card -  1-800-558-3424

Other Important Numbers

  • UnitedOne Retirement & Investment Services -  (920) 652-2570 or (920) 694-3907
  • Mortgage Services -  (920) 684-0361, or (920) 451-8222
  • Personal & Car Loans -  (920) 684-0361, or (920) 451-8222

Send Us Mail

If your preferred method of communicating with us is through the mail, we say "write on." This address is also appropriate if you need a physical address to send us overnight payments, documents, etc.

UnitedOne Credit Union
1117 South 10th Street
Manitowoc, WI 54220

Update Your Contact Information

It’s important to let us know about changes to your contact information (address, email, phone number) so we can keep you informed about your account(s). You can visit one of our branches to update your information or make updates in your Digital Banking account.

Updating your contact information in Digital Banking is easy!
- Go to “Settings”
- Select “Personal Info”
- Click “Manage” next to Address, Email or Phone Number
- Enter your updated contact information


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