The Internal Revenue Service (IRS) at 1-800-829-1040 provides help to the public with Federal income taxes. The Arizona Department of Revenue at 1-800-352-4090 provides help with State income taxes.

The Volunteer Income Tax Assistance (VITA)/TCE Tax Preparation Sites at 1-800-352-3792 provides free help for individuals with both federal and state income taxes.

Other Helpful Information:

  • The Internal Revenue Service provides information on the refundable Federal income tax credit for low income families on their Earned Income Tax Credit website. Arizona Self Help allows individuals to Pre-Screen for eligibility for Earned Income Tax Credit.