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 What do I need to provide to verify? What is First Aid Accreditation verification? Admin Basics What documents can be used to verify my Right to Work? What is Food Safety Accreditation verification? Comments 0 comments Article is closed for comments.