AARP Tax Help registration is full.

For information about Arizona AARP Tax Aide locations by county, click here.

For the AARP Foundation tax aide locator, click here.

Get Tax Help Online

  • United Way suggests that people use this free online tax filing program that offers personal support if needed:
  • United Way also suggests to help people file their federal and state taxes for free.
  • You can also visit for free tax-preparation-and-filing software.
  • Arizona Department of Revenue lists free tax state tax-preparation-and-filing software.

Tax Forms

Federal Tax Forms

Tax Help 1-800-829-1040

Mesa IRS Office
1818 E Southern Ave, Mesa, AZ 85204
Hours: Monday-Friday – 8:30 AM-4:30 PM (Closed Noon – 1 PM)

Arizona State Tax Forms

Forms & Help

East Valley Office
55 N. Center St., Mesa, AZ 85201
Hours: Monday-Friday – 8 AM – 5 PM