Columbus, OH 43212
Phone: 800–833–8261
9200 Worthington Rd., Ste 400 Westerville, OH 43082
Phone: 670-898-2847
Phone: 800-833-8261 | Fax: 877-727-0088
Application Support: UAN_Support@ohioauditor.gov Technical Support: UAN_Tech@ohioauditor.gov
For other AOS departments, refer to AOS Contacts
Ohio Auditor of State – UAN 65 E. State St., 14th floor Columbus, OH 43215
For extended and holiday hours see the 2025 Holiday Schedule
