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Taxpayer Information Lines | 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
844-545-5640

Voice - Toll-Free Appointment Line

https://www.irs.gov/uac/contact-my-local-office-in-arizona

English, Spanish

Call for appointment; must bring photo ID

None for information

Gila County, AZ
Pinal County, AZ
Maricopa County, AZ

Description

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.

Last Assured

10/01/2025

Providing organization

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.