88 E. Broad St., 11th Floor 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 65 East State Street, Columbus, OH 43215
View UAN Support Page for extended and holiday hours.
