I don’t remember my USI number. How can I find it? Hailey April 20, 2022 05:40 Updated Follow There are four ways to find your USI. For more information, follow the instructions outlined here. Related articles Credential recommendations Admin Basics What do I need to provide to verify? What is First Aid Accreditation verification? What is Food Safety Accreditation verification? Comments 0 comments Article is closed for comments.