Once you have registered your business with the State of Arizona Department of Revenue (AZDOR) and obtained a federal Employer Identification Number (EIN), you can enroll, file and pay your AZ taxes online. Resources are also available to assist you with questions and instructions on how to file your business and individual taxes with the State of Arizona.
Contact the State of Arizona Department of Revenue - Taxes
Customer Care (602) 255-3381
Toll-free from within Arizona (800) 352-4090
Arizona Department of Revenue
Attn: Customer Care
P.O. Box 29086
Phoenix, AZ 85038-9086