Contact Us
We want to make it convenient for you to contact Union Bank. Whether you have a general question or specific financial needs, we're here to help. You may contact us at any of our following locations.
Main Office
University Branch
Warren Branch
Express Branch
(870)-460-6400
(870)-460-6413
(870)-226-2035
(870)-460-6402
TO REPORT ATM/DEBIT CARD LOST/STOLEN
During Business Hours
- Monday-Thursday 8:00 a.m.-4:30 p.m.
- Friday 8:00 a.m. to 5:00 p.m.: @ 1-870-460-6400
After Business Hours, Weekends & Holidays
- 1-800-523-4175

