State Tax Customer Service

Phone: 602-255-3381 Monday through Friday from 8 a.m. to 5 p.m.
Toll-free from 520 or 928 area code 800-352-4090
Live chat with ADOR staff, Monday through Friday from 7 a.m. to 6 p.m. on AZDOR.gov and AZTaxes.gov
Make appointments, correspondence, and ask questions directly to ADOR staff 24/7 by sending an email to AZTaxHelp@azdor.gov. Expected average response to emails by ADOR staff within 3 business days.
Walk-in: State and federal paper forms are available at the following offices Monday through Friday from 8 a.m. to 5 p.m.

Central Phoenix, Main Office
1600 W. Monroe
Phoenix, AZ 85007-2650
Public parking is available to the east of the building

Mesa Office
55 N. Center
Mesa, AZ 85201