How to Contact the IRS (Online, by Phone, or in Person) - wikiHow
https://www.wikihow.com/Contact-the-IRS
Web ResultFeb 1, 2023 · If you want to contact the IRS about a personal tax matter, try calling the toll-free IRS number at 1-800-829-1040 between the hours of 7am and 7pm Monday through Friday. Alternatively, should you need help with a business tax matter, call the business line at 1-800-829-4933.
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