How do I register for a Federal Employer Identification Number (EIN)?

You can register for a Federal EIN on the IRS’s website. An EIN is a nine-digit number assigned by the IRS. It is used to identify a business’s tax accounts. 

Is FEIN the same as an employer tax id?
​Yes, your federal employer identification id could be referred to as an employer tax id, FEIN, or EIN.