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IRS Wisconsin Customer Service Number, Internal Revenue Service Wisconsin Offices, Center Address, Hours, Phone Number

IRS Wisconsin Customer Service Number, Internal Revenue Service Wisconsin branch offices, addresses, customer service centers, locations, taxpayer centers, hours of operations, toll free helpline number, customer support number and email id with information like IRS application, inquiry, filing, payments, refunds, credits and deductions, help and resources, appointment information in Wisconsin and their cities.

Taxpayers who are looking IRS Wisconsin service phone number or toll free phone number of IRS Wisconsin, and Internal Revenue Service Wisconsin contact number, IRS Taxpayer Assistance Centers (TACs) in Wisconsin, etc. So, as this page we are sharing all contact information of IRS Wisconsin service department including Internal Revenue Service Wisconsin service office address, telephone number, fax number and official web page link.

IRS West Virginia Customer Service Number, Internal Revenue Service Vermont Offices

IRS Wisconsin Customer Service Contact Details

Below, we are furnished the contact information of IRS Wisconsin customer service help teams. You can also get the details of IRS Wisconsin office address, important contact numbers and enquiry numbers. The customers who want to share their complaints, suggestions, feedback and reviews with the IRS (Internal Revenue Service) Wisconsin can use the various contact modes we are sharing in this article below.

IRS Branch Offices and Taxpayer Assistance Centers (TACs) in Wisconsin:

City Street Address Days/Hours of Service Telephone* 
Appleton 1901B East Capitol Dr., Appleton, WI 54911Monday-Friday – 9:00 a.m.-4:30 p.m. (Closed for lunch 12:00 noon – 1:00 p.m.)(920) 996-4860
Eau Claire 2403 Folsom St.
Eau Claire, WI  54703
Monday-Wednesday – 9:00 a.m.-4:30 p.m. (Closed for lunch 12:00 noon – 1:00 p.m.)(715) 836-8750
Green Bay 440 Security Blvd.
Green Bay, WI 54313
Monday-Friday-9:00 a.m.- 4:30 p.m.
(Closed for lunch 12:00 noon – 1:00 p.m.)
(920) 662-5999
LaCrosse 425 State St.
LaCrosse, WI 54601
Monday-Friday – 9:00 a.m.-4:30 p.m. (Closed for lunch 12:00 noon – 1:00 p.m.)(608) 785-0246
Madison 1242 Fourier Dr.
Suite 200, Madison, WI 53717
Monday-Friday – 8:30 a.m.- 4:30 p.m. (Closed for lunch 12:00 noon – 1:00 p.m.)(608) 421- 7898
Milwaukee 211 W. Wisconsin Ave.
Milwaukee, WI 53203
Monday-Friday 8:30 a.m.- 4:30 p.m(414) 231-2100
Rothschild 10208 Park Plaza
Rothschild, WI 54474


**This office is closed until further notice**(715) 355-4447
Rothschild364 Grand Ave.
Wausau, WI 54403
Monday-Friday 8:30 a.m. – 3:30 p.m.(715) 355-4447

Internal Revenue Service Wisconsin e-help Desk Toll-Free Number:

  • 1-866-255-0654 (Within the United States)
  • 1-512-416-7750 (outside the United States)
  • e-help desk Hours of Operations: Monday thru Friday 6:30 AM – 6:00 PM Central Time

IRS Wisconsin Customer Service Phone Number:

  • 1-800-829-1040 toll free for Individuals
  • 1-800-829-4933 toll free for Businesses
  • 1-877-829-5500 toll free for Exempt Organizations
  • 1-877-829-5500 toll free for Retirement Plan Administrators
  • 1-877-829-5500 toll free for Government Entities
  • 1-800-829-4059 TDD Toll-Free for people with hearing impairments
  • Hours of Operation: Monday – Friday, 7 a.m. – 7 p.m. your local time (Wisconsin & Wisconsin follow Pacific Time)

IRS Wisconsin Customer Service Email ID: Click here

IRS Corporate Headquarters Office Address:

Location: Internal Revenue Service Headquarters Building, 1111 Constitution Avenue, Northwest, Washington, District of Vermont, DC, United States

Useful Links of IRS Wisconsin Customer Service Support:

Click here for general help and support online

Click here to find local IRS Branch Offices

Click here to find Taxpayer Assistance Centers

Click here to get online Help and Resources

Click here to Contact your local Taxpayer Advocate

Click here to File Paper Tax Returns

If you are unable to connect with the IRS Wisconsin \service representatives, kindly you can contact to the your local \service support by following the above mentioned IRS Wisconsin \service, local office address, telephone numbers, fax numbers, email ids and more. You can also contact to the offices located in your city or can visit the customer service office directly, send an email, and write a letter. For further details we recommend you to visit the official website of IRS.

IRS Official Website:


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