How to Obtain an EIN in Wyoming | A Comprehensive Guide

Steve Bennett
Business Formation Expert  |   Fact Checked by Editorial Team
Last updated: 
WebinarCare offers informative content for educational purposes only, not as a substitute for professional legal or tax advice. We may earn commissions if you use the services we recommend on this site.
WebinarCare is led by Steve Bennett, a seasoned expert in the business world. He's gathered a team that's passionate about giving you reliable advice on everything from starting a business to picking the right tools. We base our tips and guides on real-life experience, ensuring you get straightforward and proven advice. Our goal is to make your business journey smoother and more successful. When you choose WebinarCare, you're choosing a trustworthy guide for all things business.
Obtain an EIN in Wyoming

In starting an LLC in Wyoming, 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 Wyoming 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 Wyoming, businesses are required to have an EIN if they meet any of the following criteria:

  • Have employees
  • Operate as a Partnership or Corporation in Wyoming
  • 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

Recommended: With LegalZoom’s EIN service, obtaining your business’s crucial tax ID becomes a breeze, saving you time and effort by handling the complexities so you can quickly set sail on your entrepreneurial voyage. We recommend –

LegalZoom$79 (Standard Fee)

How to Obtain an EIN in Wyoming

Obtaining an EIN in Wyoming 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 Wyoming, with add-ons of obtaining an EIN.

LLC Service

Rating & Pricing

Top Features

Learn More

#1 Recommendation

$0 + State fee

  • Free LLC Formation

  • Legal Support

  • Highly Reputed Company

$299 + State fee

  • Single LLC formation package

  • Flat price for all services

  • Legal consultation

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 Wyoming 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 Wyoming 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 Wyoming, your Registered Agent should file for the Articles of Organization in Wyoming.

Uses of EIN in Wyoming

An EIN must run a business in Wyoming. 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 Wyoming business, you can check out the Best Banks in Wyoming, which offer the best combination of fees, services, and convenience for your business needs.

Filing State and Federal Taxes

Businesses in Wyoming 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 Wyoming Department of Revenue.

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 Wyoming. 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 Wyoming, business license fee costs around the range of $70 – $500. You can check out Wyoming 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 Wyoming

As an EIN holder in Wyoming, 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 Wyoming.

To keep your business in good standing in Wyoming, you must file an Annual Report with the Wyoming 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 Wyoming

Business owners in Wyoming 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 Wyoming, here are some state-specific resources and information related to EINs and taxation:

  • State Tax Agency Information: The Wyoming 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 Wyoming 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 Wyoming must comply with various state tax obligations, such as withholding state income tax from employee wages and reporting these withholdings to Wyoming Department of Revenue. Research your business’s specific employer tax requirements in Wyoming.
  • Local Resources and Assistance for Businesses in Wyoming: Many local organizations and government agencies in Wyoming 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 Wyoming Department of Revenue to determine their requirements.


Who needs an EIN in Wyoming?
Any business or organization that has employees, is a partnership, corporation, LLC, or estate that operates in Wyoming will need an EIN.
How can I apply for an EIN in Wyoming?
You can apply for an EIN in Wyoming online, by fax, mail or telephone.
Is there an application fee to apply for an EIN in Wyoming?
No, there are no fees to apply for an EIN in Wyoming.
How long does it take to get an EIN in Wyoming?
If you apply online, you should receive your EIN in Wyoming immediately. By fax or mail, it can take up to 4 weeks.
What are the advantages of having an EIN in Wyoming?
An EIN allows businesses to hire employees, open bank accounts, apply for loans and establish credit.
How can I check the status of my EIN application in Wyoming?
You can check the status of your EIN application in Wyoming online by logging into your account or calling the IRS.
What’s the process for applying for an EIN in Wyoming?
You can apply online, by fax, mail or telephone. Visit the IRS website for more information.
Can I apply for an EIN in Wyoming with a social security number?
No, you must have a valid tax identification number – either an EIN or individual tax ID number – to apply for an EIN in Wyoming.
How long is an EIN in Wyoming valid?
An EIN in Wyoming is valid for the lifetime of the business or entity or until the ownership or structure changes.
What if I lose my EIN in Wyoming or forget my number?
You can always retrieve it from previous paperwork or contact the IRS for more information.
How many EINs can a business get in Wyoming?
Generally, businesses should only get one EIN in Wyoming unless they are starting a new business.
Can I use my SSN instead of an EIN in Wyoming?
According to the IRS, it is best to always use an EIN instead of an SSN.
Can I apply for an EIN in Wyoming if my business isn’t incorporated?
Yes, any business operating under a legal name and operates within Wyoming can apply for an EIN.
Do non-profits need an EIN in Wyoming?
Yes, non-profit organizations operating as such need an EIN in Wyoming.
How can I update my EIN information if I move out of Wyoming?
You must contact the IRS to inform them of any changes.
What’s the difference between an EIN and a tax ID number in Wyoming?
An EIN is a federal identification number for businesses, while a federal tax ID number refers to covering social security taxation for individuals on their business income.
Can I use my EIN in Wyoming to hire employees in other states?
Generally, businesses must register to do business in other states before hiring employees there, but their EIN will typically stay the same.
How do I cancel an EIN in Wyoming?
Contact your state or the IRS for information on canceling an EIN.
Will I still need to file taxes if I close my business in Wyoming?
Yes, you will need to file final tax returns and close out your account with the IRS.
How can I get a replacement copy of my EIN number in Wyoming?
You can contact the IRS for a replacement EIN if you have lost your copies.
Is an EIN required for sole proprietors in Wyoming?
While it’s not required for sole proprietorships to have an EIN, they are often handy and easier to track business expenses.
What is a Wyoming EIN used for when filing taxes?
Wyoming EIN is used to identify your business when filing state and federal taxes.
What should I do if I think an EIN might be fraudulent?
You can report potential EIN fraud to the IRS directly.
What is the penalty for not getting an EIN in Wyoming?
If you meet the eligibility criteria to get an EIN in Wyoming and fail to do so in a timely manner, you may face censure from the IRS.
What should I do if I never received an EIN in Wyoming?
Contact the state or the IRS right away.
How can I change my business name on my Wyoming EIN?
You will need to contact the IRS to update your business name.
Can I apply for an EIN if I don’t have a physical address in Wyoming?
If you’re a business operating in Wyoming, you can obtain an EIN regardless of where your business is located.
What is an EIN and why do I need one in Wyoming?
An EIN is a federal tax ID number assigned by the IRS, and it is necessary for operating a business or other taxable entity in Wyoming.
How do I obtain an EIN in Wyoming?
You can apply for an EIN online at the IRS’s website, or you can complete and mail in Form SS-4.
Is there a fee to obtain an EIN in Wyoming?
No, there is no fee for obtaining an EIN.
Why might my EIN application be rejected in Wyoming?
EIN applications in Wyoming may be rejected if you do not submit accurate or complete information, or if you do not meet the eligibility requirements.
Can I change the business name associated with my EIN in Wyoming?
Yes, you can change the business name associated with your EIN in Wyoming by filing Form SS-4 with the IRS.
Can I get an EIN for my Wyoming LLC?
Yes, Wyoming LLCs are eligible to obtain an EIN.
Do all Wyoming businesses need an EIN?
No, not all Wyoming businesses need an EIN, but most do.
Can I use the same EIN for multiple businesses in Wyoming?
No, you cannot use the same EIN for multiple businesses in Wyoming.
Do I need an EIN to hire employees in Wyoming?
Yes, if you have employees in Wyoming, you need an EIN.
Can I obtain an EIN if I already have a social security number in Wyoming?
Yes, you can obtain an EIN even if you already have a social security number.
Is an EIN required for a sole proprietorship in Wyoming?
No, a sole proprietorship is not required to have an EIN in Wyoming, but it is recommended.
Can I obtain an EIN without a physical business address in Wyoming?
No, you cannot obtain an EIN without a physical business address in Wyoming.
What is the penalty for not obtaining an EIN in Wyoming?
You can be penalized by the IRS for not obtaining an EIN in Wyoming.
Can I obtain an EIN for a non-profit organization in Wyoming?
Yes, non-profit organizations in Wyoming are eligible to obtain an EIN.
Do I need an EIN to open a Wyoming business bank account?
Yes, most banks in Wyoming will require you to have an EIN to open a business bank account.
Is an EIN the same as a Wyoming state tax ID number?
No, an EIN is a federal tax ID number assigned by the IRS, while a Wyoming state tax ID number is assigned by the Wyoming Department of Revenue.
Can I apply for an EIN over the phone in Wyoming?
No, you cannot apply for an EIN over the phone in Wyoming.
Do I need an EIN to file taxes in Wyoming?
Yes, most businesses in Wyoming will need an EIN to file taxes.
Can I obtain an EIN for a partnership in Wyoming?
Yes, partnerships in Wyoming are eligible to obtain an EIN.
Can I use my social security number instead of an EIN for my Wyoming business?
No, using your social security number instead of an EIN for your Wyoming business is not recommended.
Can I obtain an EIN online on weekends in Wyoming?
Yes, you can obtain an EIN online on weekends in Wyoming.
Can I obtain an EIN for a Wyoming corporation?
Yes, Wyoming corporations are eligible to obtain an EIN.
Can I obtain an EIN for a Wyoming DBA?
Yes, Wyoming DBAs are eligible to obtain an EIN.
Can I apply for an EIN in Wyoming if I don’t have a business yet?
It is not recommended to apply for an EIN in Wyoming if you do not have a business yet, but you can still do so.
Can I obtain an EIN for a Wyoming trust?
Yes, Wyoming trusts are eligible to obtain an EIN.
Can I use my EIN for a business in other states besides Wyoming?
Yes, you can use your EIN for a business in other states besides Wyoming.
Can I cancel or close my EIN in Wyoming?
Yes, you can cancel or close your EIN in Wyoming by contacting the IRS.

Also Read

How to Save Money While Getting Ein for Wyoming LLC

Firstly, one of the simplest and most effective ways to save money is by leveraging online resources. The Internal Revenue Service (IRS) provides an online application for obtaining an Employer Identification Number (EIN), eliminating the need for costly third-party services or legal assistance. By visiting the IRS website and answering a few straightforward questions, individuals can obtain their EIN quickly and easily, all for free. This eliminates the need for spending unnecessary funds on EIN acquisition services and ensures that business owners are directly connected to the government agency responsible for issuing EINs.

Another important consideration is to avoid rushing through the application process. Taking the time to thoroughly review and complete the EIN application accurately can help avoid any mistakes or potential complications that might incur additional costs down the line. Spending a little extra time double-checking the application form can often save businesses from having to make amendments or corrections, which might require additional fees. Attention to detail during the initial application process can lead to significant savings in the long run.

Networking and seeking advice from other entrepreneurs who have already acquired an EIN can also be incredibly valuable and cost-effective. Many discussions and communities exist online, where individuals can pose questions, share experiences, and gather knowledge about successfully obtaining an EIN for their Wyoming LLC. By reaching out to the community, entrepreneurs can gain insights and newfound knowledge regarding potential pitfalls and shortcuts, helping them steer clear of any unnecessary costs or problems along the way.

Moreover, when it comes to saving money during the EIN acquisition process, it is important to resist the temptation of additional unnecessary services. Numerous third-party providers offer various “extras” when assisting with obtaining an EIN, often upselling unnecessary and expensive services. While some of these additional services may be valuable to certain businesses, it is crucial for aspiring entrepreneurs to carefully assess whether they genuinely need them. Being diligent throughout this process means not being persuaded easily by seemingly enticing add-ons if they will not contribute to the long-term success of the business.

Lastly, staying informed about any potential policy changes or updates regarding EIN application procedures is crucial. Familiarizing oneself with the current regulations, requirements, and possible fee changes imposed by state and federal agencies helps entrepreneurs stay on top of their game. Simply keeping a watchful eye for any news or notifications related to EIN acquisition costs can prove to be incredibly beneficial in avoiding unexpected expenses.

Overall, obtaining an EIN for a Wyoming LLC does not have to be an unnecessarily costly endeavor. Entrepreneurs looking to save money during this process can take advantage of free online resources, carefully review their applications, seek advice from fellow business owners, cautiously evaluate the need for supplementary services, and stay updated regarding possible administrative provisions. By being resourceful and proactive in seeking cost-effective ways to obtain an EIN, business owners can effectively navigate through the financial requirements while building a solid foundation for their Wyoming LLC.


Understanding the importance and uses of an EIN in Wyoming 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 Wyoming to maximize your chances of success.

Leave a Comment