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 to AOS Contacts
        
Ohio Auditor of State – UAN
          65 E. State St., 14th floor
          Columbus, OH 43215 
| Mon. – Thur. | 7:30 a.m. – 5:15 p.m. | 
| Friday | 7:30 a.m. – 4:45 p.m. | 
| Saturday | 8:00 a.m. – 12:00 p.m. | 
| Sunday | Closed | 
For extended and holiday hours see the 2025 Holiday Schedule.pdf
