Oak Trust Credit Union

If you have questions, we're here to help. Simply contact us by mail, phone, email, or stop by and visit us in person at any of our branch locations.

Jim Dean, President & CEO
800-232-6728 x2924
jdean@oaktrust.com

Mailing Address:
OAK TRUST CREDIT UNION
1811 W. Diehl Road, suite 700
Naperville, IL 60563

Phone:
(630) 792-0100 Chicagoland
(800) 232-6728 Outside Chicagoland

Fax:
(630) 792-0300 Chicagoland
(866) 430-6728 Outside Chicagoland

E-mail: info@oaktrust.com
DO NOT write your account number, social security number, or passwords/PIN numbers in your e-mail. E-mails are not sent on a secured line. Make sure, however, to include your full name as it appears on your credit union statement. We recommend you include a phone number where you can be reached in case your request requires more confidential information.

MAX Telephone Account Access:
(630) 792-0000 Chicagoland
(800) 446-6629 Outside Chicagoland

Branch Locations and Hours

Administrative Office (non-transactional)
1811 W. Diehl Road, suite 700
Naperville, IL 60563
800-232-6728
Monday – Friday, 9 a.m. to 5 p.m.

Villa Park Branch
100 East Roosevelt Road, Suite 34
Villa Park, IL 60181
630-279-5187
Lobby Hours:
Monday – Friday, 10 a.m. to 6 p.m.
Saturday & Sunday - CLOSED

Diffley Branch
1642 Diffley Road
Eagan, MN 55122
651-686-1040
Lobby Hours:
Monday – Friday, 9 a.m. to 6 p.m.
Saturday - 9 a.m. to 1 p.m.
Sunday - CLOSED
Drive Up Hours:
Monday – Friday, 8 a.m. to 6 p.m.
Saturday - 9 a.m. to 1 p.m.
Sunday - CLOSED