Yes - and no.u2018Youu2023 can file your business taxes for your business, for which you obtained and received an EIN. If your business is a sole proprietorship, then you would file the Schedule C, which requires BOTH your SS and your EIN.If you donu2019t have a business as a sole prop (i.e., you have a business in some other business structure, like an LLC or a corporation, OR you simply donu2019t have revenues and expenses), then you cannot file your taxes using an EIN, as you must file individual taxes with a 1040, which requires your SS.