IRS Taxpayer Assistance Center - Mesa | IRS Taxpayer Assistance Center - Mesa
1818 E Southern Ave, Mesa, AZ 85204-5228
All taxpayers, including small business owners and sole proprietors
Mon-Fri 7am-7pm Eastern Time appointment line Mon-Fri 8:30am-noon, 1pm-4:30pm local office by appointment only
Toll-Free Appointment Line
Call for appointment; must bring photo ID
None for information
Maricopa County, AZ Pinal County, AZ Gila County, AZ
Provides assistance to help people understand their tax responsibilities when they believe the issue can only be handled in-person. Includes setting up and making adjustments to installment payment plans, and working to resolve IRS account and notice problems. Issues Individual Taxpayer Identification Numbers (ITIN) for those not eligible for a Social Security number. Also issues certificates of tax compliance for alien departure permits. Accepts payments.
10/01/2025
IRS Taxpayer Assistance Center Mesa
Provides assistance to help people understand their tax responsibilities when they believe the issue can only be handled in-person. Includes setting up and making adjustments to installment payment plans, and working to resolve IRS account and notice problems. Issues Individual Taxpayer Identification Numbers (ITIN) for those not eligible for a Social Security number. Also issues certificates of tax compliance for alien departure permits. Accepts payments.