Business Retirement Planning Inquiry If you have any questions regarding our products and services, you can contact us at (574) 235-2000 locally or 800 513-2360 toll free. You may also contact us by typing your questions or comments in the box below. To report a complaint or suspected misuse of your accounts, please call us toll free at 800 513-2360. Be sure to include your email address so we can respond to your message. A 1st Source customer service representative will contact you within one business day. When possible, please provide all applicable information. If information is not applicable, please enter "0" or "none". Please note that the retirement plans we offer are not deposits or obligations of the financial institution, are not protected by the Federal Deposit Insurance Corporation (FDIC) or any other agency or instrumentality of the federal government, and are not guaranteed by the financial institution.