Form your LLC with your state first
Gather your LLC legal name, formation state, and mailing address
Identify the responsible party for the LLC
Have the responsible party’s Social Security Number or ITIN ready
Apply online through the IRS EIN application if eligible
Apply by fax using IRS Form SS-4
Apply by mail using IRS Form SS-4
Apply by phone if applying from outside the United States
Submit the application with accurate LLC information
Receive the EIN confirmation letter from the IRS
Keep the EIN confirmation letter with your business records
