IRS Fax Number


IRS Fax Number is short for the Internal Revenue Service. It’s a federal agency that collects taxes from individuals and businesses in the United States. The IRS  oversees programs like Medicare, Social Security, and Medicaid.

The IRS Fax number is a toll-free telephone number (855) 215-1627,  that taxpayers can use to file their taxes. The phone line typically operates from 7:00 am to 10:00 pm Eastern Time, Monday through Friday. You can go online and use the Tax Form Electronic Filing (TFXF) service functions for free. 

IRS Fax Number

IRS Fax Contact Details

The IRS fax number is usually printed on the bottom of your Form 1040 or 1040A. It can be used to send these forms directly to the IRS, free of charge. You can use it to submit tax returns electronically via e-file. Just enter 916-622-8600 into your phone’s browser and hit Enter. 

The IRS fax details are as follows:

  • Obtain your IRS Identification Number (IN) from your Bipartisan Committee Representative. Use Form SS-4, Request for Taxpayer Identification Number and Certification, available on our website at to obtain this number if you do not have it already. NOTE: The IN is different from the social security number (SSN). 
  • Fill out Part III of Form 941 – Employer’s Quarterly Federal Tax Return—Submission of estimated taxes due on Forms W-2G and 1099R and attach Miscellaneous Information Block A including your full name, address, telephone number(s), employer identification number, type of entity like S corporation or partnership, etc.,

To help ensure a quick and efficient return process, be sure to include all relevant information in your fax request. If you don’t have this information available or if it is incorrect, the IRS may not be able to process your return correctly.

How To Send Fax To IRS?

Faxing documents to the IRS can be a tedious process, but you mustn’t forget about it. If you have recent tax returns or other important paperwork that you would like to send to the IRS promptly, faxing may be your best option.

There are a few things that you need to keep in mind when faxing documents to the IRS: 

  • make sure that your document is formatted correctly for fax transmission;
  • use high-quality paper and avoid using Sending Faxes Expensively (SFE) fonts;
  • include all relevant information like recipient name, phone number, and email address;
  • print barcodes on each page of your document;
  • identify whether or not your document requires secure transmission by checking the “Secure Transmission” box. 

If everything goes according to plan, faxed documents should arrive at their destination within 24 hours. However, due to any unforeseen circumstances including network outages or technical difficulties with the Internal Revenue Service’s (IRS’) systems, delayed transmissions can sometimes occur. 

Other Ways You Can Contact IRS 

There are many other ways to contact the IRS besides calling or visiting a physical location. You can email, use online chat, write an opinion letter, or even submit a complaint online. Just make sure that you provide as much information as possible so that the IRS can help you directly. 

For example, if your problem relates to taxes, include your taxpayer number and check numbers so that the appropriate personnel can correct your account immediately.

The IRS uses different methods to get in touch with taxpayers, including calling, sending letters, and making online submissions. It is important to be aware of the various ways that you can contact the IRS so that you can communicate effectively with them. 

Here are a few tips:

When calling the IRS, always keep your composure and stay calm when speaking with representatives. This will help avoid any misunderstandings or unwanted problems down the road.

How To Contact IRS Customer Care In Case Of Issues?

If you encounter any problems with your tax returns, the best place to turn is IRS customer care. This 24/7 service can help you resolve any problems that may have arisen and assist you in filing your taxes correctly and on time. 

You can contact them by phone, online chat, or mail. If mailing is not an option for you, they provide walk-in services at over 1,000 locations across the United States. Alternatively, if online chat is not available or convenient for you, they have a toll-free helpline that lets customers talk to live representatives directly. Whatever method of contacting them works best for you will help resolve your problem as quickly as possible.

To reach customer care, you can call their toll-free number (1-800-829-1040) or email Both channels provide 24/7 assistance, so there is always someone available who can help resolve your problem quickly and efficiently. 


The blog aimed to provide you with all the relevant information you need about the IRS fax number. By doing so, you’ll be able to easily handle any tax-related problem that may crop up in the future.


  1. Are workers at the IRS rude?

    While there may be some IRS workers who are rude, the majority of them are quite friendly.
  2. Is the IRS a good establishment?

    The IRS can be frustrating to deal with, but overall it may be a good place to invest your money.
  3. What is the IRS full form?

    The IRS stands for Internal Revenue Service and is a federal agency that administers the tax laws of the United States.
  4. Does IRS have headquarters overseas?

    No, the IRS has not had headquarters overseas since 1954.