What is a tax ID number? It's a unique nine-digit number issued by the Social Security Administration or the IRS to anyone who pays taxes. Learn more here.

Each taxpayer in the U.S. needs to have a unique nine-digit number that can identify them to the IRS. Many Americans use their Social Security number, or SSN, to confirm their identity on tax returns ...

Ever tried filing taxes, opening a U.S. bank account, or applying for a loan and hit a wall because you don’t have a Social Security Number? That’s where a taxpayer identification number (or TIN) can ...

Tax-identification numbers are required on all tax forms, including tax returns. The number is how your business is identified by the IRS. The tax-identification number for your business can be either ...

A Tax Identification Number (TIN) is required for all entities to file tax returns. Individuals use their Social Security Number (SSN) as their TIN for personal taxes. Businesses need unique TINs, ...

A tax identification number (TIN) is a unique nine-digit number issued by the Social Security Administration or the Internal Revenue Service to anyone who pays taxes (personal or business). Your TIN ...

When it comes to the IRS and filing tax forms, a Social Security number isn’t the only way Uncle Sam can identify a taxpayer. Another identifier – known as an Individual Taxpayer Identification Number ...

Employee's Withholding Certificate – used by employees to indicate federal tax withholding preferences. Additional instructions posted on the Manage Your Taxes and Tax Elections. Request for Taxpayer ...

If you live or work in the United States, the federal government has your number — but which kind depends on your residency status. If you live or work in the U.S., you’ll need either a Social ...