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Customer Service
Call Center Hours:
7:45 am - 4:30pm, Monday - Friday
Individuals: (608) 266‑2486
FAX: (608) 267‑1030
Businesses: (608) 266‑2776
Owe a Collection Balance?
Back taxes: (608) 266‑7879
State agency or local government: (608) 264‑0345
Check On Your Refund
Madison: (608) 266‑8100
Milwaukee: (414) 227‑4907
Toll Free: (866) 947‑7363 (866‑WIS‑RFND)
Available 24/7 - updated daily
Free Volunteer Income Tax Assistance (VITA) Sites
Call 211 from anywhere in the state to locate a VITA site near you during income tax season
Internal Revenue Service (federal government)
www.irs.gov
Call (800) 829‑1040
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