How To Get An EIN For An LLC Online (FEIN) 2026 – Free Guide

A Federal Employee Identification Number (EIN) is a unique 9-digit number issued by the Internal Revenue Service (IRS). You need an EIN for your Limited Liability Company (LLC) to operate legally, file taxes, and ensure your business credit history remains independent of your personal finances.

Your EIN’s submission and approval processes are governed at the federal level and overseen by the IRS. However, the state-level compliance rules and the way it’s used in day-to-day business operations vary between states.

Applying for your EIN can be done online or via email in most U.S. states. With the online method being the most efficient, I’ve written a step-by-step guide on how to get an EIN for your LLC online. You’ll learn how to complete each step and how to deal with potential error messages.

EIN Overview

An EIN is issued by the IRS to several business entities, including LLCs. It’s a unique 9-digit number that helps prevent identity theft by safeguarding your Social Security Number (SSN). Alongside this, it adds credibility to your business entity.

You can obtain an LLC EIN in three ways. Select one based on your business needs and desired turnaround time:

1. Online (Most common and most efficient).
2. Mail/Fax to the IRS (best if you’re an international applicant, have an online application error, or don’t have an SSN/Individual Taxpayer Identification Number (ITIN)).
3. Direct call (for international applicants only).

Obtaining your EIN is free of charge.

1. EIN Synonyms

Your EIN may be referred to using many different names depending on the state. However, they all mean the same thing. Use this table as a general guide if you’re unsure.

2. When Should You Get An EIN?

You should complete your state registration before applying for an EIN if you’re forming a legal entity. This includes all LLCs, partnerships, corporations, and tax-exempt organizations.

If your official business name is not unique and indistinguishable, you’ll need to file a new formation application with a different name. If you’ve already applied for your EIN, you run the risk of your official business names being mismatched on your Certificate of Formation and EIN application. This can result in processing delays or rejected applications.

Note: Businesses, organizations, and certain retirement trusts must obtain an EIN to comply with state and federal tax obligations.

How To Get An EIN For Your LLC

You’ve got two main options to get an EIN for your LLC:

1. Online application.
2. Mailing Form SS–4.

While the online system is the best method, you may need to use the mail-in method in certain cases. Here’s how to get an EIN for your LLC.

1. The Online Method (“Get EIN Online”)

The online method is the most efficient way of getting your EIN. You’ll receive your EIN immediately once you’ve completed the steps below.

However, this method is restricted to businesses that have their primary office, agency, or place of business in the U.S. or U.S. territories. Furthermore, the applicant needs a valid Taxpayer Identification Number (TIN). You can’t use this method if you’re an international applicant.

2. The Mail-In Method (“Mail SS-4 Form”)

This is the alternative way to get your EIN if the online method doesn’t work or you’re not allowed to use it. It is commonly used by international applicants and those who can’t use the online system.

This method of getting your EIN is significantly slower than the online method. It typically takes several weeks to process, which, for most businesses, isn’t quick enough.

3. IRS Key Contact Information

You can reach the IRS International Department by calling 1-267-941-1000, available Monday through Friday from 6 A.M. to 11 P.M. Eastern Time.

Alternatively, you can contact the IRS EIN Department at 1-800-829-4933, which operates Monday through Friday from 7 A.M. to 7 P.M. local time.

How To Use The Online EIN Application System

You can file your EIN online application from 7:00 A.M. to 10:00 P.M. ET (Monday to Friday).

Navigate to the following link: IRS: Get an Employer Identification Number. Click the “Apply for an EIN” button, read the information, then click “Begin application now.”

Then, follow the steps below to apply for an EIN for your LLC:

1. Choose Your Legal Structure

In this article, I’ve chosen to focus on LLCs. This is designed to keep things simple and ensure all information in this article is specific to your LLC needs.

a. What Type Of Legal Structure Is Applying For An EIN?

The first part of the application asks you to choose a suitable legal structure. You’ll be given several options to choose from. Ignore the others and select “Limited Liability Company.”

b. Tell Us More About The Members Of The LLC

Next, they requires more information regarding your LLC members and physical office location.

• Enter the total number of members in your LLC in the first box.
• Select your formation state from the drop-down menu below. This is the physical address stated on your Certificate of Formation.

Click “Continue” once you’ve done both steps.

a1. Single-member LLCs

• All single-member LLCs are classified as disregarded entities by default.
• If you’re an individual member, you need to report using Form 1040 (schedule C, E, or F).
• If you’re not an individual member, report using the owner’s tax return.
• You can use Form 8832 to elect corporate status or Form 2553 for S-Corporation status.
• You cannot file a partnership return.

a2. Multi-member LLCs

• All multi-member LLCs are classified as partnerships by default.
• You can use Form 8832 to elect corporate status or Form 2553 for S-Corporation status.

In most cases, you should select “Started a new business” and click “Continue.”

2. Confirm Your Identity

Once you’ve provided information regarding your members and formation state, you’ll need to confirm your identity. When applying for your EIN, the responsible party is the LLC member who contacts the IRS. They’ll send all communications to this person, so ensure it’s the right member.

Note: Make sure that you have an SSN or ITIN for online LLC EIN applications (I’ve discussed this above).

1. Enter your SSN or ITIN.
2. Enter your full name (first name, middle name, and last name).
3. Choose your appropriate suffix.
4. Select “I am one of the owners, members, or the managing member of this LLC.”
5. Click “Continue.”

3. Add Your Business Addresses

a. Where Is The LLC Physically Located?

Next, you’ll need to add your official business address. This will be used by the IRS for mail communication and phone contact (on rare occasions). It needs to be a U.S. address (not a P.O. box).

1. Enter your LLC’s physical address (street, city, state, and ZIP code).
2. Provide a U.S. phone number (home, office, or cell).

Use of special characters: You can only use hyphens (-) and slashes (/) in address fields. Other symbols, such as hashtags (#), commas (,), and periods (.), are not allowed.

Example: You want to use “45 Green Road, Unit #7.” Instead, write this as “45 Green Road – Unit 7” or “45 Green Road Unit 7.”

b. Different Mailing Address

You can use a different mailing address if you check the “Yes” box at the bottom of the page. Enter the alternate address for IRS correspondence and click “Continue” to move to the next step.

4. Provide Additional Details

a. Tell Us About The LLC

Now that you’ve given your main LLC details, you’ll need to give the additional details that the IRS needs on file. Follow the steps below to complete this stage correctly.

a1. Legal Name Of Your LLC

Enter your LLC’s full official name with no periods or commas. The IRS only allows hyphens (-) and ampersands (&) to be used. This is only for IRS records and doesn’t change your official LLC name.

Example: “ABC Widgets, LLC.” You must enter this as “ABC Widgets LLC.”

a2. Trade Name/Doing Business As

Leave this field blank unless your LLC has a “Doing Business As (DBA).” Only enter your DBA if it’s being filed after your LLC formation and is officially owned by you. Do not enter your sole proprietorship DBA.

a3. Symbols

You’re not allowed to use most special characters in your name field. If your LLC name includes any of the symbols below, you’ll need to replace them before applying.

• Don’t use apostrophes (‘).
• Change “+” to “plus”.
• Change “@” to “at”.
• Don’t use “$” or any related symbols.
• Replace “.” with “dot”.
• Replace “.com” with “dot com” (For example, “MySite.com LLC” becomes “MySite dot com LLC“).

a4. County

This part is asking for your county, not your country. Enter the county where your LLC is located and move to the next step.

a5. State/Territory

This step is pretty self-explanatory. Enter the state where your LLC was formed.

a6. Articles Of Organization’s State/Territory

Enter the state where you filed your initial Certificate of Formation. This may also be called your Articles of Organization or Certificate of Organization.

Note: Most filers will use the same state for this field and the one above.

a7. LLC Start Date

Input the official date that your LLC was approved/ formed. This is split into the month and year. If you can’t remember, you can find the date on your LLC’s approved Articles of Organization, Certification of Organization, or Certification of Formation.

b. Tells Us More About The LLC

This is the last step before you can submit your application. It concerns the more specific details regarding your LLC structure and business operations.

Read each of these questions carefully and answer “Yes” or “No.” Click “Continue” once you’ve finished.

1. Does your business sell or manufacture alcohol, tobacco, or firearms?
2. Does your business involve gambling/wagering?
3. Does your business own a highway motor vehicle with a taxable gross weight of 55,000 pounds or more?
4. Does your business need to file Form 720 (Quarterly federal excise tax return)?
5. “Do you have, or do you expect to have, any employees who will receive Forms W-2 in the next 12 months?”

Important: If you’ve answered “Yes” to question 5, you’ll be asked additional questions.

• What is the first date wages or annuities were or will be paid?: Enter the correct month and year.
• What is the highest number of employees expected in the next 12 months?: Enter the number of employees (Must be at least 1).
• Do you expect your employment tax liability to be $1,000 or less in a full calendar year?

If you’ve selected “Yes,” you’re agreeing to file an Annual Employment Tax Return (Form 944). Select “No” if you prefer to file a quarterly return (Form 941).

Once all required information is completed, click “Continue.”

c. Additional Details: Provided Business Activity & Services

Select your primary business purpose from the list of options. This is the main function that your LLC performs or provides in its everyday business operations. After this, you’ll need to specify your detailed business purpose on the drop-down page.

If your LLC’s primary business purpose doesn’t fall in any of the choices given, you can select “Other”.

Example: If your LLC’s primary business purpose is “Finance” but focuses on “Investment Advice,” select “Finance,” then choose “Investment Advice.”

5. Review & Submit Your Form

This is the last step before your EIN form will be submitted to the IRS. Select “Receive letter digitally” as this is the fastest way to receive your EIN confirmation letter. If you choose the “Receive letter by mail” option, it’ll take around 4 weeks to be delivered.

Take some time to review the information entered before completing your application. Use my points above, ensuring that you’ve followed the rules stated. Once you’ve checked everything, click “Submit” to finalize your application.

Once submitted, you should get a message confirming that your LLC has been assigned an EIN.

If you want a copy via mail, the IRS will send a duplicate in approximately 4–5 weeks.

If you’ve somehow lost your form, call the IRS at (1-800-829-4933) for an EIN Verification Letter (147C).

a. The EIN Confirmation Letter

Your EIN Confirmation Letter confirms that your LLC now has an assigned EIN and can perform the tasks according to state law.

It should note receipt of your application, confirm that you’ve been assigned an EIN, and provide important reminders at the bottom.

Do I Need An EIN For My LLC?

While it’s optional in some xs, having an EIN safeguards your SSN, ensures legal and financial independence, and simplifies your business operations.

These are the 3 main reasons why you need an EIN when forming your LLC:

1. The Main Basis For The EIN Requirement

All business entities, including LLCs, partnerships, corporations, trusts, and estates, must provide a TIN when filing with the IRS. This requirement is set under 26 CFR §301.6109-1(a)(1)(ii)(C).

• This is known as an EIN for business entities (26 CFR §301.7701-12).
• Every employer must obtain an EIN to report wages and employment taxes (20 CFR §422.112). This is set out under Internal Revenue Code §6109.

Collectively, these requirements establish a clear legal framework for entities required to obtain and use an EIN for identification and tax reporting purposes.

It ensures that your business, and not you as an owner, is recognized as the taxpayer. This maintains a clear separation between your personal and business responsibilities.

Note: You must follow different EIN requirements depending on how your business is structured and taxed under federal law. I’ve discussed the different ones below.

Once you’ve reviewed the different LLC tax requirements, you need to understand the financial and legal consequences of not having an EIN. I’ve outlined these in the following section.

2. Possible Compliance Violations

If you’re a U.S. resident, you don’t necessarily get an immediate penalty for not having an EIN. However, it does create several downstream compliance failures, which are likely to trigger penalties according to multiple sections of the Internal Revenue Code.

As you can see by the table above, maintaining a valid EIN is essential for tax filing purposes and avoiding potential administrative and financial penalties.

3. Business & Financial Risks

Not having an EIN while operating can lead to serious administrative and financial issues. It limits your access to financial systems, increases your personal liability, and weakens the legal separation between you and your business.

a. Safeguarding Your Personal Information

If you use your SSN for business purposes, you increase the risk of identity theft and personal data exposure. An EIN replaces your SSN on contracts, invoices, and IRS forms such as W-9. This keeps your personal data private, maintaining a clear division between your personal and business activities.

b. Meeting Important Banking Compliance Standards

You’re required to have an EIN when opening a business checking account with most U.S. banks. This applies whether you’re an LLC or a corporation. Being a separate legal entity, banks need to verify the identity of your business, not you as an owner.

While you can sometimes use your SSN if you’re a single-ember LLC, it exposes your personal liability and may cause tax and accounting complications.

• Banks need to use your EIN to confirm that you’re a legitimate business under federal Know Your Customer (KYC) and Anti Money Laundering (AML) regulations in the Bank Secrecy Act (31 U.S.C. §5311 et seq.).
• Your company may be treated as an unregistered sole proprietorship if you don’t have an EIN. This limits your access to credit, merchant accounts, and other financial services. You may also not be properly listed on the U.S. banking and payment systems.

c. Aiding Business Expansion

An EIN helps provide a smooth transition if your LLC hires employees, adds members, or changes its tax status. This makes your business growth and future operations far easier than if you didn’t have one.

• You need an EIN to issue 1099 forms to contractors, to register for state tax permits, or to choose S Corporation taxation.
• It streamlines bookkeeping, payroll setup, and IRS correspondence. This is because all records are connected to your business EIN and not your SSN.

d. Reinforcing Legal & Financial Separation

Your limited liability protection is strengthened if you have an EIN. It proves that your business operates as an independent legal entity.

• Using your SSN when performing business activities increases your risk of being personally exposed to potential business issues. In other words, it increases the risk of “piercing the corporate veil” during lawsuits or audits.
• Using a dedicated EIN for your contracts, filings, and financial transactions shows that your LLC observes proper business formalities.
• It protects your personal assets and supports the financial and legal business credibility.

EIN Reference Numbers/Error Messages

Errors received are officially referred to as “EIN Reference Numbers.” If you receive a reference number or error message after filing your application, here’s what you need to do.

EIN Reference Numbers are displayed at the end of your online EIN application process. Your application may have been rejected for many reasons. To find out, you need to reference the page “What do these EIN reference numbers mean” for further details.

If your online application fails and cannot be fixed, you may need to file a Form SS-4 by mail instead. For further guidance, read How To Apply For An EIN With Form SS-4.

Frequently Asked Questions