US customer service guide

Contact IRS
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To contact IRS customer service about individual tax accounts, notices, payment questions, call 1-800-829-1040 (individual taxpayer assistance) or use the official support link below. This guide brings together the checked contact sources, practical preparation advice and all 2 related ROI Hacks videos.

Contact IRS
Individual taxpayer assistance1-800-829-1040

The IRS lists 800-829-1040 for individuals and a different number for businesses. If you received a notice, its instructions say to use the phone number on that notice first.

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How to contact IRS customer service

2 short video guides
ROI Hacks · Find phone support

How To Find and Call IRS Customer Service Phone number? [in 2025]

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ROI Hacks · Ways to contact support

How To Contact IRS Customer Service and Support? [in 2025]

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Original ROI Hacks walkthroughs. For current menus and contact details, use the official support links in this guide.

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IRS customer service contact options

The IRS lists 800-829-1040 for individuals and a different number for businesses. If you received a notice, its instructions say to use the phone number on that notice first. Choose the agency service and the notice or account involved. A national assistance line and a local office may handle different requests.

Contact optionWhere to goWhen to use it
Phone1-800-829-1040Individual taxpayer assistance.
Official online helpIRS supportFinding the current contact route for individual tax accounts and related requests.

How to call IRS customer service

IRS customer service can be reached using the listed number, 1-800-829-1040. Check the department label before dialing: Individual taxpayer assistance. Identify the notice, application or account issue you need help with.

  1. Have the relevant details ready for your individual tax accounts question.
  2. Call 1-800-829-1040 and choose the department matching your request.
  3. Explain the issue, when it occurred and the specific help you need. If a different department is required, ask for the correct contact route.
Before you dial

Check the linked contact page for current availability. Automated account tools and live representatives can have different hours; this guide does not promise a wait time or a particular outcome.

Contact IRS customer service online

Use the official government account or issue-specific form for private information. If a notice gives its own contact instructions, review those before choosing the general assistance route.

  1. Open the official IRS support link and choose the topic that matches your request.
  2. Identify the account, product or reference associated with individual tax accounts. Sign in only through the official service when required.
  3. Use the contact method offered for that topic and include a short description, relevant dates and any existing case number.

Open IRS’s official support page

What to have ready

For IRS requests involving individual tax accounts, notices, payment questions, prepare the information that helps identify the right account or transaction. Share private details only through the company’s appropriate support process.

  • The notice or application reference and the relevant date.
  • The agency account or service involved in the request.
  • A short explanation of the administrative question and previous case references.

Record the case reference and any document or appointment instructions. Keep the agency reply with the notice or application that prompted the request.

Frequently asked questions

How do I contact IRS customer service?

The listed number is 1-800-829-1040. Its scope is: Individual taxpayer assistance. The linked official source publishes the number.

Which IRS support route should I choose?

The IRS lists 800-829-1040 for individuals and a different number for businesses. If you received a notice, its instructions say to use the phone number on that notice first.

What should I prepare before contacting IRS?

Identify the request first: individual tax accounts, notices, payment questions. The notice or application reference and the relevant date. Record the case reference and any document or appointment instructions. Keep the agency reply with the notice or application that prompted the request.

Sources & last checked

We checked the sources below on October 8, 2026. Phone numbers and support routes are attributed to the official references below. Support availability, routing, and menu labels can change.

  • IRS: official support reference Official source — The IRS lists 800-829-1040 for individuals and a different number for businesses. If you received a notice, its instructions say to use the phone number on that notice first.

This is an independent guide. IRS provides the support service; Customer Service Phone Numbers and ROI Hacks do not manage your account or handle support requests.

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