Question: How to call/contact IRS (Internal Revenue Service)?
Answer: There are several ways to reach out to IRS. A lot of tax related information can be found on IRS website at irs.gov. You can call IRS at 1-800-829-1040 for individual tax questions or 1-800-829-4933 for small business related questions. IRS is open from 7am-7pm in your local time.
You can also contact Taxpayer Advocate at 1-877-777-4778-. Taxpayer Advocate Service (TAS) is an independent organization with the IRS that can help with IRS tax issues.
By Mail: You can also write to your local IRS office in your region. You should allow 30 days for a written response. Can here for a list of your local IRS office.