Tax Commission office hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. Closed Saturdays, Sundays, and legal holidays. Remember that many services are available online.

At the Tax Commission locations listed below, you can get answers to tax questions, obtain tax forms, file tax returns, and more. As a convenience, we've also listed the IRS offices available in the state, where you can conduct business for your federal taxes.

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Note: The addresses below are NOT for mailing tax returns – mailing addresses are listed here.

Utah State Tax Commission	IRS
Ogden – Tax Commission 2540 Washington Blvd. 6th floor Ogden, Utah 84401 Phone 801-626-3460 Fax 801-626-3446 8 a.m. to 5 p.m. Monday - Friday Closed Saturdays and Sundays	Ogden – IRS 324 25th Street Room 1325 Ogden, Utah 84401 1-800-829-1040 8 a.m. to 5 p.m. Monday - Friday Closed Saturdays and Sundays
Provo – Tax Commission 150 East Center #1300 Provo, Utah 84606 Phone 801-374-7070 Fax 801-374-7089 8 a.m. to 5 p.m. Monday - Friday Closed Saturdays and Sundays	Provo – IRS 173 East 100 North Provo, Utah 84606 1-800-829-1040 8 a.m. to 5 p.m. Monday - Friday Closed Saturdays and Sundays
Salt Lake City – Tax Commission 201 North 1950 West Salt Lake City, Utah 84116 Phone 801-297-2200, option "0" Toll free phone 800-662-4335, option "0" TDD 801-297-2020 Fax 801-297-7699 8 a.m. to 5 p.m. Monday - Friday Closed Saturdays and Sundays	Salt Lake City – IRS 50 South 200 East Salt Lake City, Utah 84111 1-800-829-1040 8:30 a.m. to 4:30 p.m. Monday - Friday Closed Saturdays and Sundays
Washington County – Tax Commission 100 South 5300 West Hurricane, Utah 84737 Phone 435-251-9520 Fax 435-251-9529 8 a.m. to 5 p.m. Monday - Friday Closed Saturdays and Sundays