Associated Bank is a U.S. based regional bank holding company concerned with providing retail banking, commercial banking, commercial real estate lending, private banking, and specialised financial services. The company serves in areas such as Wisconsin, Illinois, Minnesota, Missouri, Indiana, Ohio, Michigan, and Texas. Associated Bank offers expedited assistance to address consumer grievances and in order to communicate relevant concerns and queries with concerned authorities, customers are advised to adhere to given customer service contact information for Associated Bank. Associated Bank Customer Service Number: 800-236-8866 To open a Deposit Account: 800-236-3209 To apply for a Loan: 866-536-3222 Personal Loans, Home Equity, Auto: 866-536-3222 Associated Bank Mortgage Customer Service: 800-236-3617 Private Banking Clients: 800-991-7706 International Clients: 262-879-0133 Username and Password Assistance - Personal: 800-682-4989 | Business / Associated Connect: 800-728-3501 | Hea