Popular Requests

Routing Number

272479841

Contact Center

800-451-4292
Monday - Friday: 8:30 a.m. - 5:30 p.m.
Saturday: 9:00 a.m. - 1:00 p.m.
Reach us by Text: 248-422-1115

Chat Hours

Monday - Friday: 8:30 a.m. - 5:30 p.m.
Saturday: 9:00 a.m. - 1:00 p.m.

Activate Your Mastercard® Debit Card
24-Hour Telephone Banking
Report a Lost or Stolen Mastercard® Credit Card
Online Banking and Bill Pay Assistance
Mailing Address

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

Consumer Lending

833-897-6777
Monday - Friday: 8:30 a.m. - 5:30 p.m.
Saturday: 9:00 a.m. - 1:00 p.m.

Real Estate Lending

833-897-6777
Monday - Friday: 8:30 a.m. - 5:00 p.m.

Commercial Lending

248-584-5269
Monday-Friday: 8:00am - 5:00pm

Change Your Mastercard® Debit Card PIN
Report a Lost or Stolen Mastercard® Debit Card

Inside the U.S., 24/7: 866-537-1336
Outside the U.S.: 727-299-2449

Most frequently asked questions

A steady, disciplined approach will gradually increase your credit score over time, allowing you to secure lower rates on future loans. Learn more about managing your credit.

Find out all you need to know about the Credit Builder loan online.

Shared Branch members are required to have their membership number as well as a current (not expired) form of identification such as a Driver's License, State ID or passport.

Credit Union ONE is a part of the Shared Branching network, however if you're a member to a different credit union you will want to make sure your credit union is a participating institution before coming in to do a transaction. You can do so by searching the name of your Credit Union on the official Shared Branch Locator site https://co-opcreditunions.org/locator/?t=3

Please visit our Locations & ATMs page.

Please visit our Locations & ATMs page.

Our Locations & ATMs page provides a full list. Shared branching allows Credit Union ONE members to use other non-Credit Union ONE credit unions to perform certain transactions. Credit Union ONE is required to perform the following transactions for guest credit union members:

• Account Inquiries

• Withdrawals

• Deposits

• Transfers

• Loan Payments

• Loan Advances

• Statement Prints

Any additional services offered are that discretion of Credit Union ONE. 

Our routing number is 272479841. Sign up for direct deposit by providing this number and your 10-digit account number to your employer. If the information is needed in writing, we are able to provide a direct deposit letter.