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Personal Banking

Mastercard® Help Center

With your new EMV chip-enabled UNCLE Mastercard® card you will enjoy enhanced benefits and increased security. If you have received your new UNCLE Mastercard® debit or credit card and haven't activated it yet, please activate it Today – we will deactivate remaining UNCLE Visa cards soon.

Check out the information below to learn about card activation, our UNCLE Rewards Program, and other FAQs.

If you are interested in learning more about our Mastercard® Credit Cards click here or Apply Now!


If you are currently an UNCLE Visa® Debit or Credit Card holder, you will be receiving a new EMV chip-enabled Mastercard® this spring.  We will be here every step of the way to answer any questions you may have regarding our enhanced debit and credit card program.

We want you to have quick, easy, and secure card activation so we have provided you with some important tips and steps to follow.

To activate your new Mastercard®, simply:

  1. CALL 800-466-0040 from the phone number in our records to activate your new Mastercard OR activate your new card at an ATM or Merchant POS.
  2. SIGN the back of your new Mastercard®.
  3. CUT UP and discard your old Visa® card.
  4. PROVIDE your new card number to any companies that automatically bill your card.
  5. USE your new PIN when shopping at merchants with chip card terminals.

Have card activation questions? Please see our FAQs.

Your Card
Why Mastercard
UNCLE Logo - Dark Grey
2100 Las Positas Court
Livermore, CA 94551
(925) 447-5001
Routing # 321173072

Your savings federally insured to at least $250,000 and backed by the full faith and credit of the U.S. Government. National Credit Union Administration, a U.S. Government Agency. We do business in accordance with the Federal Fair Housing Law and the Equal Credit Opportunity Act. NMLS ID 729232.
Rates shown are current as of April 23rd, 2024

Uncle Credit Union BBB Business Review