Contact Us

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Get in touch with us today.

We have 20 branches in Michigan you can visit or you can use our contact form below.

If you need to send mail, please use the address for our headquarters:

Credit Union ONE
400 E. Nine Mile Road
Ferndale, MI 48220

You also can reach us conveniently by phone. Use these numbers to the get the answers you need.

Contact Center

(800) 451-4292
Monday - Thursday: 7:30 a.m. - 5:30 p.m.
Friday: 7:30 a.m. - 6:00 p.m.
Saturday: 9:00 a.m. - 1:00 p.m.

Consumer Lending

(800) 451-4292
Monday - Thursday: 8:30 a.m. - 5:00 p.m.
Friday: 8:30 a.m. - 6:00 p.m.
Saturday: 10:00 a.m. - 12:30 p.m.

Chat Hours

Monday - Friday: 7:30 a.m. - 8:00 p.m.
Saturday: 9:00 a.m. - 1:00 p.m.

Real Estate Lending

(800) 451-4292

Monday - Friday: 8:30 a.m. - 5:00 p.m.

24-Hour Telephone Banking

(800) 423-3069

Activate Your MasterCard® Debit Card

(800) 466-0040

Report a Lost or Stolen MasterCard® Debit Card

Inside the U.S., 24/7: (888) 241-2510
Outside the U.S.: (909) 941-1398

Report a Lost or Stolen MasterCard® Credit Card

(888) 241-2510

Online Banking and Bill Pay Assistance

(800) 451-4292

Always at your service

When you need answers, you don't want to wait around. That's why we offer various options for contacting us so you can get in touch with friendly professionals who can provide the guidance you need.

How to Open an Account

What you need to get started

Chat Online

Connect with a customer service representative through our site.

Call us at 800-451-4292.

Find a Branch

Come into one of our convenient locations.