Contact UsCustomer care professionals are available by phone Monday through Friday. Or, you may use our automated voice response system. See numbers and hours below. Health Savings Accounts Phone: 1-866-234-8913 Automated information is available 24 hours a day.Customer care professionals are available Monday through Friday, 8:00 a.m. to 8:00 p.m. Eastern Time. Address: Optum Bank P.O. Box 271629 Salt Lake City, Utah 84127-1629 Web: Log in or register online to manage your account. Fax: 1-866-314-9795 Financing and Credit Contact: Nicholas Berger Office: 1-801-963-7230 Wealth Management Accounts Phone: Call the toll-free number on the back of your Wealth Management Account Debit MasterCard® for assistance. Customer care professionals are available Monday through Friday, 8:00 a.m. to 8:00 p.m. Eastern time. Wire and ACH Information Bank routing number or ABA number: 124384877 Address: 2525 Lake Park Blvd, Salt Lake City, UT 84120