Your Borrower ID is the last 11 digits on your ISUCard (12345678912 in the illustration below -- University ID plus Security Code).
Distance Education students
If you are a distance education student, you have an ISUCard number even if you do not have a card. To find your ISUCard number, log in to AccessPlus, then choose "ISU IDs" in the left sidebar. Your Borrower ID is the last 11 digits of your ISUCard number.