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Chat live with an UNCLE representative.

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Call Us

Member Call Center (Business hours)

(800) 34UNCLE or (925)-447-5001

24-Hour Banking*

(800) 34UNCLE or (925)-447-5001

*Check account balances, transfer funds, card activation, Mastercard credit/debit PIN by phone, lost/stolen card

Email Us

Email UNCLE Credit Union directly at

Please do not include personal information or account numbers in your response. To send us a secure message, log in to Online Banking and use eMailBox.

Visit Us

Visit an UNCLE financial center or locate an ATM near you.

Schedule an Appointment

We provide in-person appointments at our Lab location to assist our UNCLE members.

Mail Us

Corporate Headquarters*

UNCLE Credit Union
2100 Las Positas Court
Livermore, CA 94551


*Please use this address for general correspondence, payments and overnight mail.

UNCLE Credit Union Proof of Insurance

UNCLE Credit Union
PO Box 924527
Fort Worth, TX 76124
Phone: (877)-243-4455
Fax: (877)-735-4525

General Inquiries:

*General inquiries are monitored by our Call Center.

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Contact Us

If you can't find what you're looking for on our site, give us a call at 800-34UNCLE or visit our Contact page for all the details.

Routing Number

UNCLE Credit Union's Routing / Transit number is: 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. Equal Housing Lender. We do business in accordance with the Federal Fair Housing Law and the Equal Credit Opportunity Act.
Rates shown are current as of March 2nd, 2021

Uncle Credit Union BBB Business Review