Busey Bank's routing number can vary depending on the state and type of account. Typically, routing numbers are used to identify the financial institution in transactions such as direct deposits, wire transfers, and various other electronic payments. To find the specific routing number for a particular account or state, it is advisable to check the official Busey Bank website. Busey Bank usually provides detailed information regarding their routing numbers, along with other essential banking details, on their current web page. It is important for customers to verify this information based on their individual account details to ensure accuracy in their banking transactions.