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Taxpayer Information Lines | Internal Revenue Service

Federal tax collection agency administers the Internal Revenue Code enacted by Congress. Provides information by phone and online to help people understand and meet their tax responsibilities. Website provides forms which can be downloaded, and information about tax return corrections, penalties and penalty relief, refunds, deductions, and credits (Earned Income Tax Credit, education, child care, adoption, Saver's Credit, Welfare-to-Work, and Work Opportunity Tax Credit). Also provides answers to frequently asked questions for individuals, businesses, and nonprofits.

Last Assured

12/01/2023

Physical Address

1111 Constitution Ave NW, Washington, DC 20224-0001

Hours

Mon-Fri 7am-7pm local time by phone

Voice

800-829-1040

Toll-Free for Individuals

Application process

Call or visit website

Eligibility

All taxpayers, including small business owners and sole proprietors

Languages

English, Spanish

Service area

AZ

Agency info

Internal Revenue Service

Federal tax collection agency administers the Internal Revenue Code enacted by Congress. Provides information by phone and online to help people understand and meet their tax responsibilities. Website provides forms which can be downloaded, and information about tax return corrections, penalties and penalty relief, refunds, deductions, and credits (Earned Income Tax Credit, education, child care, adoption, Saver's Credit, Welfare-to-Work, and Work Opportunity Tax Credit). Also provides answers to frequently asked questions for individuals, businesses, and nonprofits.