How to Obtain an EIN in Mississippi | A Comprehensive Guide

Obtain an EIN in Mississippi

In starting an LLC in Mississippi, it is crucial to understand the importance of an Employer Identification Number (EIN) and how it impacts your business operations. An EIN is a unique nine-digit number the Internal Revenue Service (IRS) assigns to businesses operating in the United States for identification purposes. This number is essential for running a business, such as filing taxes, opening bank accounts, and hiring employees.

This article will explore the complete guide to obtaining an EIN in Mississippi and the responsibilities and requirements associated with having an EIN.

Webinarcare Editorial Team will help you understand the process of obtaining an EIN. You must be guided by all the factors gathered in this article.

EIN Definition and Purpose

To form an LLC, an EIN is necessary for your business. An Employer Identification Number (EIN) is a federal tax identification number used by the Internal Revenue Service (IRS) to identify businesses in the United States. It is similar to a Social Security Number (SSN) for individuals but is specifically designed for businesses. The main purpose of an EIN is to help the IRS track and administer taxes for companies.

In Mississippi, businesses are required to have an EIN if they meet any of the following criteria:

  • Have employees
  • Operate as a Partnership or Corporation in Mississippi
  • File tax returns for employment, excise, or Alcohol, Tobacco, and Firearms (ATF) taxes
  • Withhold taxes on income, other than wages, paid to a non-resident alien
  • Have a Keogh plan (a tax-deferred pension plan for self-employed individuals or unincorporated businesses)
  • Are involved with trusts, estates, real estate mortgage investment conduits, non-profit organizations, farmers’ cooperatives, or plan administrators

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How to Obtain an EIN in Mississippi

Obtaining an EIN in Mississippi is a straightforward process; several methods are available to apply for one. However, if you want to be at ease with the process you can hire an LLC Services in Mississippi, with add-ons of obtaining an EIN.

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Online Application Process

The easiest and fastest way to obtain an EIN is by applying online through the IRS website. The online application is available for businesses in Mississippi and the rest of the United States.


To apply for an EIN online, follow these steps:

  1. Visit the IRS EIN Assistant webpage.
  2. Click “Apply Online Now” and follow the prompts to complete the application.
  3. Provide the necessary information, such as your legal name, trade name (if applicable), business address, and the responsible party’s Social Security Number or Individual Taxpayer Identification Number.
  4. Select the appropriate legal structure for your business (e.g., sole proprietorship, general partnership, corporation, etc.).
  5. Provide additional information as required, such as the number of employees, the reason for applying, and the primary business activity.
  6. Review and submit your application.

Upon successful completion of the application, you will receive your EIN immediately. Save or print a copy of the confirmation notice for your records.

Other Application Methods

If you prefer not to apply online or are unable to access the online application, you can also obtain an EIN through the following methods:

  • Fax: Complete Form SS-4 (Application for Employer Identification Number) and fax it to the appropriate fax number listed on the IRS website. You should receive your EIN within four business days.
  • Mail: Complete Form SS-4 and mail it to the appropriate address on the IRS website. The processing time for mailed applications is approximately four weeks.
  • Telephone: International applicants can apply for an EIN by calling the IRS at 267-941-1099 (not a toll-free number) from 6:00 a.m. to 11:00 p.m. Eastern Time, Monday through Friday.

After you have your EIN number, you can benefit in several ways. It will give your Mississippi LLC the final advantage necessary to operate fully without legal or judicial issues.

If you have a Registered Agent, he can file an EIN for your business. Also, if you are planning to file for an LLC in Mississippi, your Registered Agent should file for the Certificate of Formation in Mississippi.

Uses of EIN in Mississippi

An EIN must run a business in Mississippi. Some of the primary uses for an EIN include:

Opening a Business Bank Account

Banks typically require an EIN to open a business bank account, which is essential for separating your personal and business finances. With a business bank account, you can accept payments, deposit funds, and manage your company’s finances more efficiently.

If you are planning a bank for your Mississippi business, you can check out the Best Banks in Mississippi, which offer the best combination of fees, services, and convenience for your business needs.

Filing State and Federal Taxes

Businesses in Mississippi must file taxes with both the state and federal governments, and an EIN is necessary to report and pay these taxes. Your EIN is used on various tax forms, such as income tax returns, employment tax returns, and excise tax returns which you can pay in Mississippi State Tax Commission.

Payroll and Employee Tax Reporting

If your business has employees, you will need an EIN to report wages and other compensation paid to your workers. Additionally, an EIN is required for withholding and remitting federal income and payroll taxes on your employees’ behalf.

If you hire an employee for your business, you must request that your employees complete the following forms:

  • Employment Eligibility Form
  • Federal Tax Withholding Form
  • W-4 Form
  • Workers Compensation Claim Form
  • Disability Self-Identification Form
  • U.S. Citizenship and Immigration Services Form

Applying for Business Licenses and Permits

An EIN is often required when applying for business licenses and permits in Mississippi. These licenses and permits may be necessary for various aspects of your business operations, such as zoning approval, health permits, or sales tax registration.

In Mississippi, business license fee costs around the range of $50 – $300. You can check out Mississippi Business Licenses to learn more about licenses and permits.

Establishing Credit and Securing Loans

An EIN can help your business establish credit, as it serves as an identifier for your company in the eyes of financial institutions. Additionally, lenders may require an EIN when applying for business loans or lines of credit.

Responsibilities and Requirements for EIN Holders in Mississippi

As an EIN holder in Mississippi, you are responsible for several tasks related to maintaining and managing your EIN. Some of these responsibilities and requirements include:

Updating the IRS on Changes to Business Information

If your business undergoes significant changes, such as a change in address, legal structure, or a responsible party, you must inform the IRS by filing the appropriate forms. This ensures the IRS has accurate and up-to-date information about your business and can properly administer taxes.

update my information

You can go to the Update My Information website of the Internal Revenue Service.

Required Tax Filings and Payments

With an EIN, your business is responsible for filing various tax returns and making tax payments to federal and state governments. Be informed about the specific tax obligations for your business type and industry in Mississippi.

To keep your business in good standing in Mississippi, you must file an Annual Report with the Mississippi Secretary of State. The annual report provides updated information about your LLC, such as changes in address, members, or Registered Agent.

Record-Keeping Requirements

Proper record-keeping is essential for businesses with an EIN, as it helps ensure accurate tax reporting and compliance with laws and regulations. Maintain records of your company’s income, expenses, and other financial transactions to facilitate accurate tax filing and minimize potential issues with the IRS.

Establish a reliable accounting system to track income, expenses, and tax obligations. You can manage your finances using spreadsheets, accounting software, or hiring a professional accountant.

Closing an EIN Account

Suppose your business ceases operations or no longer requires an EIN. In that case, you must notify the IRS by submitting a letter containing your complete legal name, EIN, business address, and the reason for closing the account. This allows the IRS to update its records and prevent future tax-related issues.

cancel EIN

If you have a copy of the EIN Assignment Notice that was issued when your EIN was assigned, include that when you write it to the IRS with the below mailing address:

  • Internal Revenue Service MS 6055 Kansas City, MO 64108
  • Internal Revenue Service MS 6273 Ogden, UT 84201

Or, you can check out Canceling an EIN via the IRS for further information.

Common Issues and Solutions for EIN in Mississippi

Business owners in Mississippi may encounter issues related to their EIN, such as losing or misplacing the number, incorrect information on the EIN application, or changes in business structure or ownership. Here are some solutions to common EIN-related problems:

  • Lost or Misplaced EIN: If you lose or misplace your EIN, you can contact the IRS by calling their Business & Specialty Tax Line at 1-800-829-4933. The IRS representative can provide you with your EIN after verifying your identity.
  • Incorrect Information on EIN Application: Suppose you discover an error on your EIN application, such as an incorrect business name or address. In that case, you can correct the information by submitting a letter to the IRS detailing the changes. Be sure to include your EIN, the incorrect information, and the correct information in your letter.
  • Change in Business Structure or Ownership: If your business undergoes a significant legal structure or ownership change, you may need to obtain a new EIN. Consult the IRS guidelines to determine if a new EIN is necessary.
  • Dealing with Identity Theft or Fraud: If you suspect your EIN has been compromised or used fraudulently, immediately report the issue to the IRS. The IRS can guide you through the steps to secure your EIN and protect your business from potential tax-related issues.

State-Specific EIN Information and Resources

To further assist businesses in Mississippi, here are some state-specific resources and information related to EINs and taxation:

  • State Tax Agency Information: The Mississippi state tax agency can provide information on state tax requirements, forms, and filing deadlines. Be sure to familiarize yourself with the state tax obligations for your business type and industry.
  • Business Registration Requirements: In addition to obtaining an EIN, businesses in Mississippi must also register with the appropriate state agencies. This may include registering your business name, obtaining necessary licenses and permits, and registering for state taxes.
  • Employer Tax Obligations and Filings: Employers in Mississippi must comply with various state tax obligations, such as withholding state income tax from employee wages and reporting these withholdings to Mississippi State Tax Commission. Research your business’s specific employer tax requirements in Mississippi.
  • Local Resources and Assistance for Businesses in Mississippi: Many local organizations and government agencies in Mississippi offer resources and assistance for small business owners. These resources may include business counseling, training, and financial assistance programs.

Do I Need to Apply for an EIN If I Also Have Business In Other States?

Yes, if you are operating a business with employees, have a corporation or partnership, or are required to file employment, excise, or alcohol, tobacco, and firearms tax returns, you will need an EIN (Employer Identification Number). If your business operates in multiple states, you only need one EIN for federal tax purposes. However, you may need to register for state-specific tax identification numbers in each state where you conduct business. Check with the Mississippi State Tax Commission to determine their requirements.


What is an EIN?
An EIN, or Employer Identification Number, is a unique identification number assigned by the IRS to identify a business entity.
Who needs an EIN in Mississippi?
Business entities such as corporations, partnerships, sole proprietorships, and trusts must obtain an EIN to open a bank account, pay taxes, or apply for a business license in Mississippi.
How do I apply for an EIN in Mississippi?
Apply for an EIN through the IRS website, via fax, mail, or phone.
How long does it take to get an EIN in Mississippi?
You can receive your EIN number immediately when applying online or up to four weeks when faxing or mailing your application in.
Is there a fee to apply for an EIN in Mississippi?
It is free to apply for an EIN in Mississippi.
What documents do I need to apply for an EIN in Mississippi?
You will need the name and Social Security number of the business owner, principal officer, or responsible party and information about the business, such as the business name, address, and principal business activities.
Can a foreign entity apply for an EIN in Mississippi?
Yes, a foreign entity can apply for an EIN in Mississippi.
What if my business entity changes, and I need a new EIN in Mississippi?
If the structure of your business changes, you will generally need to apply for a new EIN, as well as change your name, business address, or other business information with the IRS.
Can I use my social security number for my business instead of an EIN in Mississippi?
Your social security number should not be used for business activities. An EIN is used for identity purposes and the separation of personal and business accounts.
When would I need to update my EIN information in Mississippi?
You’ll need to update your EIN information if any changes happen to your business entity, such as a change in ownership.
What if I lose my EIN number in Mississippi?
You can search for your misplaced EIN number on the IRS website or contact the IRS at (800) 829-4933.
Do I need multiple EINs for each branch if my business operates in different locations in Mississippi?
No, you only one EIN for your business.
Is an EIN required for a business with no employees in Mississippi?
Yes, if you’re classified as a business entity, then you are required to have an EIN regardless of whether it has employees function.
If I move my business to Mississippi, can I keep my EIN from other states?
If you are an individual, sole proprietor, or partnership and change your home or business address to a Mississippi location, you can keep your existing EIN.
Can I use my EIN to apply for business loans in Mississippi?
Your EIN will be necessary when applying for business loans, credit to open a line of credit as proof of federal tax IDs.
Can just anyone apply for an EIN on behalf of a business in Mississippi?
No, only authorized personnel such as the principal officer or owner should apply for an EIN.
Can I use someone else’s EIN in Mississippi?
Your EIN should be specific and unique to your business entity. Do not use someone else’s EIN.
How can I ensure that my EIN application is approved in Mississippi?
Ensure that you complete your application accurately with a legal and qualified SS number of the business owners/principal officers, So make sure you provide as much correct information as possible to avoid misinterpretation.
Can I get the EIN number online in Mississippi?
Yes, you can get your EIN number instantly when you apply online for free on the IRS website.
Is it required to have a separate EIN for me to hire a contractor in Mississippi?
An EIN is not needed to legally hire someone as a contractor. However, an EIN can be significant to some outsources payers as establishing an independent contractor’s identity.
Do churches and religious organizations need an EIN in Mississippi?
Yes, churches and non-profits in Mississippi are required to have an EIN.
Can I grant someone else authority to file for an EIN on my behalf in Mississippi?
Yes, As long as you have specifically authorization authorizing them to file & communicate about EIN arranged, you can give another person your permission to apply for an EIN on your behalf in Mississippi.
Can a person have both an EIN and an SSN?
If you’re a Sole Proprietor, Llc, or single-member company with nobody on your income taxes for the business, you will use your social security number and an individual income tax return; otherwise, you need an EIN to save yourself market with the customer.
Can I apply for an EIN number over the phone in Mississippi?
Yes, in some cases you can call the IRS office to apply, or write a letter form letter. However, it’s usually easier to apply online, via mail, fax or fax processes.
Do I need an EIN to open a bank account in Mississippi?
Yes, to open a business bank account or take out investments in Mississippi, you’ll need an EIN or Social Security number if sole proprietor.
As a partnership, can each partner use the same EIN when forming an LLC in Mississippi?
In Mississippi, LLCs use the EFTPS system, and common ownership partners should possess an EIN number.
If I had a DBA or other name change prior to getting my EIN in Mississippi, will my business EIN change?
Generally, your EIN as an IRS issue probably won’t change. Once it gets an official record using your tax duties, that reports through by the EIN is unchanged even though businesses change on ventures or partnerships and operations.
How long is an EIN number valid in Mississippi?
Unless you are starting as single-member, you’ll hinge on an EIN at all tax situations. Therefore, EIN number restrictions per-life long as always the federal state of your company’s articles and inside registered agreements.
Can I cancel my EIN number in Mississippi?
It is not possible to cancel your EIN. Also, the EIN is mandated based on the life of the guidelines from legal requirements for filing status income taxes.
Is there a fee for obtaining an EIN in Mississippi?
No, there is no fee for obtaining an EIN.
How long does it take to receive an EIN in Mississippi?
You can receive an EIN immediately if you apply for it online. If you apply by fax, it typically takes four business days. If you apply by mail, it can take up to four weeks.
Can I apply for an EIN for my Mississippi business if I am a foreign national?
Yes, foreign nationals can apply for an EIN online or by mail.
How often do I need to renew my EIN in Mississippi?
You don’t need to renew your EIN. Once you obtain it, it is yours for the life of your business.
What if I lost my EIN in Mississippi? Can I get a replacement?
Yes, you can request a replacement EIN from the IRS.
What if I change my business’s name or address in Mississippi?
You should notify the IRS of any changes to your business’s name or address. You can do this by submitting an updated Form SS-4.
Do I need an EIN for my sole proprietorship in Mississippi?
If you do not have employees, you do not need to obtain an EIN for your sole proprietorship in Mississippi.
Can I get an EIN for my Mississippi nonprofit organization?
Yes, nonprofit organizations in Mississippi can apply for an EIN.
Can I apply for an EIN for my Mississippi partnership, or does each partner need to obtain an EIN?
The partnership should apply for an EIN, not each partner individually.
Can I use my Social Security Number instead of an EIN for my Mississippi business?
No, if you have employees or file certain types of tax returns, you are required to have an EIN.
How can I verify that my Mississippi EIN is valid?
You can call the IRS EIN assistance hotline to verify an EIN.
What if I close my Mississippi business after obtaining an EIN?
You should notify the IRS that you have closed your business. You can do this by checking the “Final return” box on your last tax return.
Can a Mississippi business have more than one EIN?
Generally, a business should only have one EIN. If your business goes through certain changes, such as changing its legal structure, it may need to obtain a new EIN.
Does an LLC in Mississippi need an EIN?
Yes, LLCs in Mississippi are required to obtain an EIN if they have employees or file certain types of tax returns.
How do I make changes to my Mississippi EIN after I obtain it?
You can submit an updated Form SS-4 to the IRS to make changes to your EIN.
Do I need an EIN to get a business license in Mississippi?
It depends on the type of business you have and where you are located. Check with your local and state government agency for their specific requirements.
Can I apply for an EIN for my Mississippi business over the phone?
No, you cannot apply for an EIN over the phone. You can apply online, by fax, or by mail.
Can someone else apply for an EIN for my Mississippi business?
Yes, someone else can apply for an EIN for your business if they are authorized to do so.
Can I cancel my Mississippi EIN if I no longer need it?
No, you cannot cancel your EIN. Once obtained, the EIN becomes the permanent federal taxpayer identification number for your business, and can be used to file various business taxation documents in Mississippi.
How can I obtain a copy of my Mississippi EIN documentation after I’ve obtained it?
You can call the IRS EIN assistance hotline to obtain a copy of your EIN documentation.
Is an EIN acquired in Mississippi, transferable outside Mississippi, without canceling entirely?
Yes, if your business moves to another state after obtaining an EIN in Mississippi, it can continue to use that EIN.
Can a business owner use her Mississippi EIN for multiple businesses?
No, an EIN can only be used for the specific legal entity it is assigned to, not for other entities.
How should an S corporation in Mississippi obtain an EIN?
Like all businesses, S corporations in Mississippi need to obtain an EIN. Apply for an EIN either online, by fax, or by mail.
Do Mississippi sole proprietorships with no employees require an EIN for tax purposes?
If you have no employees, you do not need to obtain an EIN.
How should single-member LLCs in Mississippi handle EINs?
If a single-member LLC has employees or files certain tax returns (like a partnership or corporation), it needs to obtain an EIN.
What to do when a business owner is having trouble with obtaining an EIN online in Mississippi?
If you have issues applying for an EIN online, you can try to apply by fax or by mail instead. Alternatively, you can call the EIN toll-free hotline for assistance.

Also Read

How to Save Money While Getting Ein for Mississippi LLC

One of the first steps in forming an LLC in Mississippi is obtaining an Employer Identification Number (EIN) from the Internal Revenue Service (IRS). This nine-digit number is used to identify a business entity for tax purposes. While obtaining an EIN is necessary for most businesses, there are ways to save money in the process.

One cost-effective way to obtain an EIN for a Mississippi LLC is by applying for it yourself through the IRS website. The online application process is free and can be completed in a matter of minutes. By avoiding expensive third-party services, entrepreneurs can save money while still obtaining the necessary EIN for their LLC.

Another way to save money when getting an EIN for a Mississippi LLC is by consolidating expenses. For example, entrepreneurs can consider bundling services such as legal advice, LLC formation, and EIN application through a single service provider. By bundling services, business owners can often save money on overall costs and streamline the process of starting their business.

Additionally, entrepreneurs can save money on EIN application fees by ensuring they have all the necessary information and documents ready before starting the application process. This can help expedite the application process and avoid potential delays or additional fees.

It’s also important for business owners to carefully consider their business structure before applying for an EIN. Depending on the type of business and future growth plans, it may be beneficial to consult with a business advisor to determine the most cost-effective and tax-efficient structure for the LLC. By starting with the right structure from the beginning, entrepreneurs can save money on potential restructuring costs in the future.

Lastly, entrepreneurs should consider the long-term costs associated with maintaining an EIN and LLC in Mississippi. This includes annual renewal fees, taxes, and other administrative costs. By carefully budgeting for these ongoing expenses and planning for future growth, business owners can avoid unexpected financial burdens down the road.

In conclusion, while obtaining an EIN for a Mississippi LLC is a necessary step in starting a business, there are ways to save money in the process. By applying for an EIN online, consolidating expenses, preparing all necessary information in advance, carefully considering business structure, and budgeting for ongoing costs, entrepreneurs can save money while still obtaining the necessary EIN for their LLC. With careful planning and foresight, small business owners and startups can navigate the process of forming an LLC in Mississippi without breaking the bank.


Understanding the importance and uses of an EIN in Mississippi is crucial for the successful operation of your business. By obtaining and maintaining your EIN, you can ensure compliance with federal and state tax laws, establish a strong financial foundation for your company, and access various resources and opportunities for growth. Be sure to utilize the available resources and support for businesses in Mississippi to maximize your chances of success.

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