The IRS has three main ways to reach them: phone, mail, and their online account portal

The IRS does not answer every call — their phone lines are often busy, especially during tax season — but calling remains the fastest way to reach a person if you get through. The IRS phone number is 1-800-829-1040 for individual tax questions. If you have a business, the number is 1-800-829-4933. Wait times vary by time of day and season; calling early in the morning or in the fall typically means shorter holds.

If you cannot reach anyone by phone or prefer not to wait, you can mail a letter to the IRS address for your state, or you can create an account on IRS.gov to view your tax records and send secure messages. Each method has different wait times and works better for different types of questions.

Key Takeaways

  • Call 1-800-829-1040 for individual tax questions or 1-800-829-4933 for business questions; early morning calls have shorter wait times than afternoon calls.
  • The IRS website at IRS.gov lets you create an account to check your tax records, view payment history, and send secure messages without calling.
  • Mailing a letter to your state's IRS office works for written questions but takes four to six weeks for a response.
  • Have your Social Security number, tax return information, and a clear description of your question ready before you call.

Calling the IRS and what to expect

When you call 1-800-829-1040, you will reach an automated system first. The system will ask you to select your reason for calling — for example, "press 1 for tax return information" or "press 2 for payment questions." Selecting the right category routes you to the correct department and can shorten your wait. After you select, you will be placed in a queue and given an estimated wait time.

Wait times are longest from January through April and on Monday mornings. If you call on a Tuesday, Wednesday, or Thursday afternoon in October or November, you are more likely to reach someone quickly. The IRS does not offer call-back options, so you will need to stay on the line. Bring your tax return, Social Security number, and any notices you received from the IRS before you call.

If you reach a representative, they can answer questions about your tax account, payment status, refund status, and what to do if you received a notice. They cannot prepare your tax return or give tax planning advice, but they can explain what the IRS is asking for and what documents you need to send.

Using your IRS online account instead of calling

Creating an account on IRS.gov is free and lets you see your tax records without waiting on hold. Go to IRS.gov and select "Sign in" in the upper right corner. You can sign in with an existing account (such as a bank login or ID.me account) or create a new one. Once you are signed in, you can view your tax return history, check the status of a refund, see any payments you have made, and view notices the IRS sent you.

If you have a specific question, you can send a secure message through your account. The IRS will respond within a set timeframe — usually one to two weeks for routine questions. This method works well if your question is not urgent or if you prefer written communication. You can also download transcripts of your tax records, which you may need for a mortgage, student loan, or other financial purpose.

The online account does not work for all situations. If you are in an active dispute with the IRS, have a complex tax situation, or need to speak to someone about a payment plan, calling is usually faster.

Mailing a letter to the IRS

If you prefer to write, you can mail a letter to the IRS office that handles your state. Find your state's address on IRS.gov under "Contact Us" — the site lists a different mailing address for each state. Write your name, Social Security number, and a clear description of your question at the top of the letter. Include copies (not originals) of any documents that support your question, such as a notice from the IRS or a copy of your tax return.

Mail your letter to the address listed for your state. The IRS typically responds to mailed questions within four to six weeks, though during tax season it can take longer. Keep a copy of your letter and note the date you mailed it. If you do not hear back within eight weeks, you can call 1-800-829-1040 and reference your letter.

Mailing works best for questions that are not urgent, for situations where you want a written record, or if you do not have access to a phone. It is slower than calling or using your online account, but it avoids the wait-time problem entirely.

What to have ready before you contact the IRS

Whether you call, mail, or message online, gather these items first: your Social Security number, the tax year you are asking about, a copy of your tax return for that year, and any notice or letter the IRS sent you. If your question is about a payment, have the payment date and amount ready. If it is about a refund, know the date you filed and the amount you expected.

Write down your question in one or two sentences before you call. This keeps you focused and helps the representative understand what you need. If you are calling about a notice, read the notice carefully first — it often explains what the IRS needs and includes a phone number for that specific issue.

When the IRS phone line is closed or too busy

The IRS phone lines are open Monday through Friday, 7 a.m. to 7 p.m. your local time, except federal holidays. If you call outside these hours, you will reach a recording. During tax season (January through April), lines are often busy all day. If you cannot get through, try calling the next day, or use your online account to check your records or send a message.

Some IRS offices also offer in-person help at Taxpayer Assistance Centers in major cities. You can find the nearest center on IRS.gov. Walk-in hours and services vary by location, so call ahead before you go.

Getting help if you are having trouble with the IRS

If you have called multiple times and cannot reach anyone, or if you believe the IRS made an error on your account, you can contact the Taxpayer Advocate Service. This is a free service within the IRS that helps people who are having trouble resolving their tax issues. Call 1-877-777-4778 to reach the Taxpayer Advocate Service, or visit TaxpayerAdvocate.irs.gov to learn more.

The Taxpayer Advocate Service can step in if you have tried to contact the IRS and been unable to get a response, if you are facing financial hardship because of a tax issue, or if you disagree with an IRS decision. They do not charge a fee and can sometimes speed up the process.

Frequently Asked Questions

What time of day should I call the IRS to avoid a long wait?

Call between 7 a.m. and 9 a.m. your local time, or on Tuesday, Wednesday, or Thursday afternoons. Avoid Monday mornings and afternoons, when wait times are longest. During tax season (January through April), all times are busy, but early morning is still your best option.

Can I schedule a callback instead of waiting on hold?

No, the IRS does not offer callback service. You must stay on the line or hang up and call back later. If you cannot wait, use your online account to send a message or mail a letter instead.

Do I need to pay to call the IRS?

No. The 1-800 numbers are toll-free. You pay only for your regular phone service, not for the call itself.

What if I do not have internet access to create an online account?

You can call 1-800-829-1040 to speak with a representative, or mail a letter to your state's IRS office. You can also visit a Taxpayer Assistance Center in person if one is near you.

How long does it take to get a response if I send a secure message through my online account?

The IRS typically responds to secure messages within one to two weeks for routine questions. During tax season, it may take longer. If your question is urgent, calling is faster.