| State of Ohio |
| 1-800-282-1780 |
Individual Taxpayer Assistance |
| 1-888-405-4039 |
Business Taxpayer Assistance |
| 1-800-282-1784 |
Income Tax Refund Hotline |
| 1-888-405-4089 |
Business Tax Registration |
| 1-614-466-8360 |
Attorney General - Ohio Revenue Recovery Unit |
| 1-877-767-6446 |
Ohio Secretary of State
|
| 1-614-387-1701 |
Ohio Department of Taxation Compliance Division |
| 1-800-282-1784 |
Income Tax Refund Hotline |