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

An EIN is a unique business tax ID number that you can get online in just a few minutes. Many, or all, of the products featured on this page are from our advertising partners who compensate us when ...

What is a state tax ID number, and what is it for? A state tax ID number is sometimes called a state employer ID, state EIN or state tax registration. It’s assigned by a state to identify a business ...

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 ...