Question: how do i find out how much i owe the irs for past years?
Answer: Calling the IRS to Find Out How Much You Owe Individual taxpayers may call 1-800-829-1040, Monday through Friday, 7 a.m. to 7 p.m. local time. Taxpayers representing business may call 1-800-829-4933, Monday through Friday, 7 a.m. to 7 p.m. local time.