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Get convenient access to friendly, knowledgeable people.

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.

Real Estate Lending

(800) 451-4292

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

Online Banking and Bill Pay Assistance

(800) 451-4292

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 Platinum Visa®

(800) 379-0935

Contact Form

Please fill out the form below and submit to send an electronic message to us.
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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.