Question: What is the 1099 filing address for Ohio? Answer: Sign, date and mail your Ohio Form IT-3 (Transmittal of Wage and Tax Statements) along with your 1099 forms to: OHIO DEPARTMENT OF TAXATION P.O. BOX 182667 COLUMBUS, OH 43218-2667.   For more information refer to http://1099-efile.realtaxtools.com/state/Ohio/