Start banking wherever you are with Union Bank Mobile Monticello for mobile banking! Available to all Union Bank & Trust Co. online banking customers. Union Bank Mobile Monticello allows you to check balances, make transfers and pay bills.Available features include:Accounts- Check your latest account balance and search recent transactions by date, amount, or check number.Transfers- Easily transfer money between your accounts.Bill Pay- Pay new bills, edit bills scheduled to be paid, and review previously paid bills from your device.