IRS EIN Online Application 2026: Step by Step Guide

The IRS EIN online application in 2026 is free, takes about 15 minutes, and issues the EIN immediately on the screen. The application is at irs.gov, and the right call is to use the online application for the fastest path. The confirmation letter is mailed within a few weeks, and the EIN is active for use immediately.

Who needs an EIN

An EIN is the employer identification number issued by the IRS. The right call for an EIN is for any business that has employees, operates as a partnership or corporation, files any of the excise tax returns, or has a Keogh plan. A single-member LLC with no employees can use the owner SSN, but most banks require an EIN to open a business account, and the IRS recommends getting one anyway.

Other entities that need an EIN include nonprofit organizations, estates, trusts, and certain government agencies. The right call is to apply for an EIN before opening a bank account, hiring employees, or filing any tax return that requires an EIN.

Information you need

The IRS EIN online application requires the following information:

• Legal name of the entity (the name on the formation document)
• Trade name (if different from the legal name)
• Mailing address (street, city, state, ZIP)
• County and state where the entity is located
• Country (United States for domestic entities)
• Number of members, partners, or employees
• Reason for applying (started new business, hired employees, banking purpose, etc.)
• Principal business activity (the primary product or service)
• Responsible party with SSN or ITIN

The right call is to gather this information before starting the application, because the session expires after 15 minutes of inactivity and the application will need to be restarted.

Step by step

The application is at irs.gov and follows this flow:

1. Click Apply for an EIN online and start the session
2. Select the entity type (sole proprietor, partnership, corporation, LLC, nonprofit, etc.)
3. Enter the legal name and the trade name (if any)
4. Enter the mailing address and the physical address (if different)
5. Enter the county and state
6. Enter the reason for applying
7. Enter the principal business activity and the principal product or service
8. Enter the number of members, partners, or employees expected in the next 12 months
9. Enter the responsible party information (name, SSN or ITIN, title)
10. Review and submit the application
11. Receive the EIN immediately on the screen
12. Save or print the confirmation page
13. Wait for the confirmation letter by mail (1 to 3 weeks)

The right call is to save the EIN confirmation page as a PDF, and to enter the EIN into the IRS records as soon as it is issued. The confirmation letter by mail is for the file but is not required to use the EIN.

Common mistakes

The most common mistake is using the owner SSN where an EIN is required, which causes the bank to reject the account application or the IRS to reject the tax return. The second is applying for a second EIN for the same entity, which the IRS will not issue and which causes confusion in the IRS records. The third is using a third-party service that charges for the application, which is unnecessary because the IRS issues EINs for free.

The right call is to apply directly through the IRS, to use the legal name of the entity on the application, and to enter the responsible party with the SSN or ITIN correctly.

If the application fails

If the application fails because the entity is not yet registered with the state, the right call is to complete the state registration first, then return to the EIN application. The IRS validates the legal name against the state records for entities that require state registration.

If the application fails because of an SSN mismatch, the right call is to verify the SSN with the responsible party and to retry the application. The right call is to call the IRS Business and Specialty Tax Line at 800-829-4933 if the issue persists.

After the EIN is issued

After the EIN is issued, the right call is to enter the EIN into the IRS records by using it on the first tax return, the first payroll filing, or the business bank account application. The EIN does not need to be registered with the IRS separately; it is active as soon as it is issued.

Common mistakes to avoid

The most common mistake is to use the owner SSN where an EIN is required. The right call is to apply for the EIN first, and to use the EIN on the first tax return, the first payroll filing, or the business bank account application. The EIN is required the moment the business has employees or files as a partnership or corporation.

The second most common mistake is to apply for a second EIN for the same entity. The right call is to call the IRS Business and Specialty Tax Line at 800-829-4933 to correct the existing EIN, not to apply for a new one. The IRS will not issue a second EIN for the same entity.

The third most common mistake is to use a third-party service that charges for the application. The right call is to apply directly through the IRS, which is free. The third-party services charge 50 to 200 dollars for the same application that the IRS issues for free.

The honest short version

The IRS EIN online application in 2026 is free, takes about 15 minutes, and issues the EIN immediately. The application is at irs.gov and requires the legal name, the mailing address, the responsible party, and the principal business activity. The right call is to apply directly through the IRS and to use the EIN on the next tax return or business bank account application.