Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

SOI Tax Stats - Tax Statistics Questions

If you have a tax question or a question related to the preparation of your tax return, please go to How to Contact the IRS. You may get faster service by calling the toll-free number at 1-800-829-1040. We will not respond to personal income tax related inquiries submitted on this page.

Please submit your questions related to tax data or tax statistics using the form below. 


Contact Statistics of Income

Mailing Address:
Statistics of Income
Statistical Information Services
Internal Revenue Service
1111 Constitution Avenue, NW  K-Room 4112
Washington, DC 20224

Phone: 202-803-9285
Fax: 202-803-9393

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