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

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 ...

An Employer Identification Number is one of the tax identification numbers the Internal Revenue Service uses to identify taxpayers, including corporations. The IRS provides the employer identification ...

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 ...

An employer identification number (EIN) is issued by the Internal Revenue Service (IRS) to identify a business for tax administration purposes. It’s also used to complete some core business tasks, ...

An employee ID is a code used by an employer to uniquely identify the people working at an organization. Employee IDs allow streamlined, accurate record keeping, and they help preserve confidential ...

Editorial Note: We earn a commission from partner links on Forbes Advisor. Commissions do not affect our editors' opinions or evaluations. As a business owner, there are likely many account numbers ...