You can look up your tax ID number on your EIN confirmation letter or business tax returns, or you can call the IRS. Confirming your own EIN with the IRS is free.

Learn about EIN numbers, why they're essential for businesses, and how to apply for one with this comprehensive guide.

A federal tax ID number enables Social Security to match its records with those of the IRS via tax ID lookup. Additionally, the federal government uses your EIN to compile statistics.

An employer identification number (EIN) is like a Social Security number (SSN) for a business. The IRS assigns an EIN — also known as a federal tax ID number — to any business that is eligible. EINs ...

Register the business first to be able to obtain the federal tax identification number (EIN). After you have your federal EIN, you can get the state resale number. Register Your Business.

A federal employer identification number (EIN), also sometimes referred to as a tax identification number, is a nine-digit code that businesses use to identify themselves for tax reporting ...

An EIN is a federal tax ID number for an entity, estate, trust, or other organization. For example, the following are generally required to obtain an EIN: partnerships, limited liability companies ...

An SSN is required to work in the U.S., while an EIN is recommended for all business owners. Foreign-status individuals need an ITIN to do business in the U.S.