☎️ Wisconsin USA • DOR customer service, refund, My Tax Account, business and collections help

Wisconsin Dept of Revenue Phone Number 2026: Direct Hotline

A practical Wisconsin Department of Revenue customer service guide for taxpayers, businesses, employers, sales tax filers, My Tax Account users, tax professionals and Wisconsin residents who need the correct DOR hotline, refund phone number, business tax line, individual income tax number, collections phone, identity verification help, homestead credit contact or office-location support.

☎️ Call Individuals 🏛️ Official Phone Numbers ✨ Use Phone Helper

Individuals608-266-2486 for individual income tax customer service.

Businesses608-266-2776 for business tax customer service.

Refund status866-947-7363 toll-free, available 24/7 and updated daily.

☎️ Individuals 🏢 Businesses

Quick Answer: Wisconsin Department of Revenue Customer Service Phone Number

The main Wisconsin Department of Revenue customer service phone number depends on the issue. For individual income tax questions, call 608-266-2486. For business tax questions, call 608-266-2776. For automated Wisconsin refund status, call 866-947-7363 toll-free, 608-266-8100 in Madison, or 414-227-4907 in Milwaukee.

Independent guide disclaimer: this page is not the official Wisconsin Department of Revenue website. Use official Wisconsin DOR pages, My Tax Account, refund tools, notices and phone directories for final account-specific help, filing, payment and legal tax decisions.

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Individual income tax

608-266-2486 is the practical first number for Wisconsin individual income tax questions, return questions, payment questions and notice routing.

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Business taxes

608-266-2776 is the business tax customer service line for sales/use tax, withholding, corporation/franchise and business account questions.

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Refund status

866-947-7363 is the toll-free Wisconsin refund-status line. It is available 24/7 and updated daily.

Wisconsin Department of Revenue Direct Phone Numbers for 2026

Use the phone number that matches your issue. Calling the wrong number can delay help, especially when the issue involves My Tax Account, refund status, collections, identity verification, homestead credit or unclaimed property.

Need	Direct phone / contact	Best use
Individuals / income tax customer service	608-266-2486	Individual income tax, return questions, tax due, payments, letters and account routing.
Businesses / business tax customer service	608-266-2776	Sales and use tax, withholding, business tax accounts, registration, filing and payment questions.
Customer service main / offices	608-266-2772	General customer service routing, electronic filing questions and office-location support.
My Tax Account help	608-261-5338	Login trouble, account unlock, security code, password, username and My Tax Account troubleshooting.
Refund status toll-free	866-947-7363	Automated refund status, available 24/7 and updated daily.
Refund status Madison	608-266-8100	Automated refund status by phone.
Refund status Milwaukee	414-227-4907	Automated refund status by phone.
Back taxes / compliance tax line	608-266-7879	Back taxes, collection balances, delinquent tax and compliance payment issues.
State agency or local government debt	608-264-0345	State agency or local government collection balance questions.
Homestead credit	608-266-8641	Homestead credit claim questions and Schedule H/H-EZ help.
Identity verification / personal identity protection	608-264-4598	DOR PIN, identity verification quiz, identity protection and suspicious return concerns.
Unclaimed property	608-264-4594	Unclaimed property claims, holder reports and unclaimed-property letters.

Official customer service numbers Official contact page My Tax Account Refund status

Wisconsin DOR Phone Helper: Which Hotline Should You Call?

Choose your issue and this helper points you to the best Wisconsin Department of Revenue phone number or official online path. It does not collect personal data.

What do you need help with?

Your result will appear here.

Select your issue. The helper will show the recommended phone number, what to prepare and the safest official link.

Wisconsin DOR Customer Service Hours and Best Time To Call

Wisconsin DOR customer service call center hours are generally 7:45 a.m. to 4:30 p.m., Monday through Friday. Refund-status phone lines are automated and available 24/7. Office counters listed by DOR also generally show 7:45 a.m. to 4:30 p.m. daily assistance hours, Monday through Friday.

Standard phone hours

Call center: 7:45 a.m. to 4:30 p.m., Monday-Friday.
Individual income tax: 608-266-2486.
Business taxes: 608-266-2776.
Identity verification: 608-264-4598 during customer service hours.
My Tax Account support: 608-261-5338 when online help is not enough.
Refund status phone lines: automated 24/7.

Call wait times may be higher

Near income tax filing deadlines.
After a holiday or weekend.
During refund peak season.
On major monthly business tax due dates.
After DOR letters or ID verification notices are mailed.
When My Tax Account users experience widespread login or payment issues.

Best call strategy: write down the number you called, date, time, representative name if provided, case/reference number and next step. Keep the notice or confirmation number in front of you before calling.

Wisconsin Individual Income Tax Phone Number: 608-266-2486

For Wisconsin individual income tax customer service, call 608-266-2486. This is the best first number for Form 1, Form 1NPR, income tax payments, tax due, return questions, notices, name/address issues, amended returns and individual account routing.

Call 608-266-2486 for

Wisconsin individual income tax return questions.
Tax due, underpayment interest and estimated payment questions.
Amended return routing.
Letters, notices and account balance questions.
Questions after filing Form 1 or Form 1NPR.
Payment voucher or tax-year payment questions.
When an income-tax notice asks you to contact DOR.

Prepare before calling individuals

Social Security number or ITIN.
Tax year and filing status.
Copy of your Wisconsin return.
DOR letter, notice or bill.
Payment confirmation if you already paid.
Refund amount if your question is related to refund status.
My Tax Account username/email if the issue involves online access.

Individuals home Make a payment Customer service numbers

Wisconsin Tax Refund Phone Number: 866-947-7363, 608-266-8100 or 414-227-4907

For Wisconsin refund status, use the online refund inquiry first when possible. The automated refund phone lines are 608-266-8100 for Madison, 414-227-4907 for Milwaukee, and 866-947-7363 toll-free. These refund lines are available 24/7 and updated daily.

Refund need	Best phone / path	What to prepare
Check Wisconsin refund status online	Refund Inquiry	Social Security number and exact Wisconsin refund amount.
Refund status toll-free	866-947-7363	Automated 24/7 refund status.
Refund status Madison	608-266-8100	Automated 24/7 refund status.
Refund status Milwaukee	414-227-4907	Automated 24/7 refund status.
Refund held for identity verification	608-264-4598	DOR PIN or identity quiz letter details.
Refund offset / debt balance	608-266-7879 or 608-264-0345	Offset notice, debt type, agency and tax year.

Refund tip: the online refund tool is usually faster than calling and uses the same type of refund-status information available to customer service.

Check refund status Refund payment FAQ Refund phone numbers

Wisconsin My Tax Account Phone Help: 608-261-5338

For My Tax Account troubleshooting, call 608-261-5338 if the self-help tools do not solve the issue. Wisconsin DOR also lists DORMyTaxAccountHelp@wisconsin.gov for My Tax Account questions or feedback, with several business days allowed for response.

Use My Tax Account help for

Account unlock problems.
Security code or authorization issues.
Forgot username or password troubleshooting.
Business tax filing and payment access.
Personal My Tax Account access.
Payment history or account message issues.
Portal errors after reviewing MTA help resources.

Before calling MTA support

Review the Unlocking My Account video or MTA help page.
Confirm the email or username you are trying to use.
Have your tax account type ready.
Do not share your password by phone or email.
Prepare the exact error message or screenshot description.
Use official tap.revenue.wi.gov and revenue.wi.gov pages only.

Open My Tax Account MTA contact help MTA help page

Wisconsin Business Tax Customer Service Phone Number: 608-266-2776

For Wisconsin business tax customer service, call 608-266-2776. This is the practical first number for sales and use tax, withholding tax, business tax accounts, seller’s permit questions, My Tax Account business access, filing, payments, notices and account changes.

Call 608-266-2776 for

Sales and use tax filing and payment questions.
Withholding tax account and filing questions.
Business tax account registration and updates.
Seller’s permit or business tax permit questions.
Corporate/franchise or pass-through business tax routing.
My Tax Account business filing issues.
Business notices, bills and payment mismatch questions.

Prepare before calling businesses

FEIN and Wisconsin tax account number.
Legal business name and mailing address.
Tax type: sales, withholding, corporation, pass-through or other.
Filing period, return confirmation and payment confirmation.
Notice, bill, audit letter or collection letter.
My Tax Account username/email if portal access is the issue.

Businesses home Sales and use tax My Tax Account business login

Wisconsin DOR Collections Phone Number: Back Taxes and State Agency Debt

If you owe a collection balance, the correct Wisconsin DOR number depends on the type of balance. For back taxes, call 608-266-7879. For state agency or local government collection balances, call 608-264-0345.

Collection issue	Phone	What to prepare
Back taxes / delinquent Wisconsin tax	608-266-7879	Tax year, notice, balance, payment history and account details.
State agency or local government debt	608-264-0345	Collection notice, agency name, debt type, balance and case/reference number.
Payment plan or can’t pay on time	Use My Tax Account or call the appropriate tax line.	Balance, proposed payment amount, due date and notice details.
Payment posted incorrectly	608-266-2486 for individuals or 608-266-2776 for businesses.	Payment confirmation, bank record, tax type, period and amount.
Refund offset	Use the number on the offset notice or refund-status path.	Offset notice, agency, tax year and refund amount.

Collections warning: do not ignore a Wisconsin DOR bill or collection letter. Also do not pay through gift cards, cryptocurrency, random text links or unofficial payment pages. Use My Tax Account, official payment pages or the number printed on the notice.

Collection phone numbers Make a payment My Tax Account

Wisconsin DOR Identity Verification Phone Number: 608-264-4598

For Wisconsin DOR identity verification, DOR PIN help or identity-protection questions, call 608-264-4598. This number is especially important if you received an identity verification letter and cannot complete the quiz or DOR PIN verification online.

Use 608-264-4598 for

Identity verification letter questions.
DOR PIN verification help.
Identity quiz help when online verification fails.
Wisconsin identity protection concerns.
Suspicious tax return activity.
Refund delay caused by identity verification.

Prepare before calling identity verification

Identity verification letter.
DOR PIN if provided.
Social Security number or ITIN.
Tax year and refund amount.
Copy of the Wisconsin tax return.
Photo ID and personal verification details if requested by official instructions.

Security reminder: DOR will never need your My Tax Account password. Do not use callback numbers from suspicious texts, emails or search ads. Type official revenue.wi.gov or tap.revenue.wi.gov addresses directly.

Identity verification FAQ Identity verification Customer service numbers

Wisconsin Homestead Credit and Unclaimed Property Phone Numbers

Some Wisconsin DOR issues have dedicated numbers that are faster than the general individual or business line. Homestead credit and unclaimed property are two common examples.

Program	Phone	Best use
Homestead credit	608-266-8641	Schedule H/H-EZ, homestead credit claim status, denial/adjustment questions and eligibility guidance.
Unclaimed property claimants	608-264-4594	Claim forms, missing documentation, claim letters and unclaimed property status.
Unclaimed property holders	608-264-4594	Holder reports, negative reports, tangible property and voluntary disclosure questions.
Homestead credit refund question	Refund phone lines or 608-266-8641	Use refund status first, then homestead contact if the issue is Schedule H/H-EZ specific.

Homestead credit Unclaimed property Unclaimed property forms

Wisconsin Department of Revenue Office Locations, Phone and Walk-In Help

Wisconsin DOR lists daily tax assistance offices Monday through Friday. The main office-contact number listed for locations is 608-266-2772. Verify current hours and whether your issue can be handled online before visiting.

Office	Address	Phone / hours
Madison Headquarters	2135 Rimrock Road Madison, WI 53713	608-266-2772; 7:45 a.m.-4:30 p.m.
Milwaukee	819 N Sixth St, Room 408 Milwaukee, WI 53203-1606 James Lovell St. Entrance	608-266-2772; 7:45 a.m.-4:30 p.m.
Appleton	265 W Northland Ave Appleton, WI 54911-2016	608-266-2772; 7:45 a.m.-4:30 p.m.
Eau Claire	Front counter: 718 W Clairemont Ave Eau Claire, WI 54701-4558	608-266-2772; 7:45 a.m.-4:30 p.m.
Green Bay	200 N Jefferson St, Room 140 Green Bay, WI 54301-5189	608-266-2772; 7:45 a.m.-4:30 p.m.
Wausau	500 N 3rd St, Suite 500 Wausau, WI 54403-4857	608-266-2772; 7:45 a.m.-4:30 p.m.

Office visit tip: bring photo ID, tax year, SSN/FEIN, notice, payment confirmation, return copy and any power of attorney or authorization if you are representing someone else.

Official office locations Contact DOR

Before Calling Wisconsin DOR: What To Prepare for Faster Customer Service

Wisconsin DOR calls are more efficient when you can identify the tax type, tax year, account, notice and exact problem. Prepare the right details before calling.

Individual taxpayer checklist

Social Security number or ITIN.
Tax year and filing status.
Copy of your Wisconsin return.
Exact refund amount if checking refund status.
Notice, letter, bill or DOR PIN.
Payment confirmation and bank record if relevant.
My Tax Account username/email if online access is the issue.

Business taxpayer checklist

FEIN and Wisconsin tax account number.
Legal business name and tax type.
Sales/use, withholding, corporate/franchise or other account details.
Filing period and return confirmation.
My Tax Account access details.
Notice, audit letter, collection letter or payment proof.
Authorized representative details if calling for a client.

Best practice: do not send passwords, full bank login details or sensitive documents to unofficial emails. Use secure My Tax Account messages, official forms or instructions printed by Wisconsin DOR.

When Not To Call Wisconsin DOR: IRS, DMV, Unemployment and Local Property Tax Routing

The Wisconsin Department of Revenue does not handle every government tax or payment issue. Calling the wrong office can waste time.

User question	Should you call Wisconsin DOR?	Better path
IRS federal income tax refund	No	Use IRS refund tools and IRS contact options.
Wisconsin state refund	Yes	Use Wisconsin refund inquiry or refund phone lines.
Wisconsin driver license or DMV fees	No	Use Wisconsin DMV.
Unemployment benefit claim	No	Use Wisconsin unemployment insurance claimant resources.
Employer withholding tax	Yes	Call 608-266-2776 or use My Tax Account.
Local property tax bill payment	Usually no	Start with the county, city, village or municipal treasurer.
Unclaimed property held by Wisconsin DOR	Yes	Call 608-264-4594 or use DOR unclaimed property tools.

Wisconsin Department of Revenue Phone Number FAQs

Visible FAQs below match the FAQPage schema included at the end of this article.

What is the Wisconsin Department of Revenue phone number for individuals?

The Wisconsin Department of Revenue phone number for individual income tax customer service is 608-266-2486.

What is the Wisconsin Department of Revenue phone number for businesses?

The Wisconsin Department of Revenue phone number for business tax customer service is 608-266-2776.

What are Wisconsin DOR customer service hours?

Wisconsin DOR customer service call center hours are 7:45 a.m. to 4:30 p.m., Monday through Friday.

What is the Wisconsin DOR refund phone number?

Wisconsin refund status phone numbers are 608-266-8100 in Madison, 414-227-4907 in Milwaukee, and 866-947-7363 toll-free.

Is the Wisconsin refund phone line available 24/7?

Yes. Wisconsin DOR lists the refund status phone lines as available 24/7 and updated daily.

What information do I need to check a Wisconsin refund?

Prepare your Social Security number and the exact amount of your Wisconsin refund before using the refund status tool or phone line.

What is the Wisconsin My Tax Account help phone number?

For My Tax Account troubleshooting, call 608-261-5338 after reviewing the official self-help resources.

What email does Wisconsin DOR list for My Tax Account help?

Wisconsin DOR lists DORMyTaxAccountHelp@wisconsin.gov for My Tax Account questions or feedback.

What phone number do I call for Wisconsin back taxes?

For Wisconsin back taxes or a collection balance, call 608-266-7879.

What phone number do I call for state agency or local government debt?

For state agency or local government collection balances, call 608-264-0345.

What is the Wisconsin DOR identity verification phone number?

For Wisconsin DOR identity verification or DOR PIN help, call 608-264-4598.

What is the Wisconsin homestead credit phone number?

For Wisconsin homestead credit questions, call 608-266-8641.

What is the Wisconsin unclaimed property phone number?

For Wisconsin unclaimed property questions, call 608-264-4594.

What is the Wisconsin DOR office phone number?

Wisconsin DOR office locations list 608-266-2772 as the main office contact number.

Where is the Wisconsin DOR Madison headquarters?

The Madison headquarters is at 2135 Rimrock Road, Madison, WI 53713.

Where is the Wisconsin DOR Milwaukee office?

The Milwaukee office is at 819 N Sixth St, Room 408, Milwaukee, WI 53203-1606, with the James Lovell St. entrance noted by DOR.

Should I call Wisconsin DOR for IRS federal refunds?

No. Wisconsin DOR handles Wisconsin state tax matters. IRS federal refund questions should be handled through IRS refund tools.

Should I call Wisconsin DOR for unemployment benefit claims?

No. Wisconsin DOR handles tax administration, not unemployment benefit claimant support.

What should I prepare before calling Wisconsin DOR?

Prepare your SSN, ITIN, FEIN, Wisconsin tax account number, tax year, filing period, notice, letter, bill, payment confirmation and My Tax Account details if relevant.

Is this website the official Wisconsin Department of Revenue website?

No. This is an independent informational guide. Use official Wisconsin DOR pages, My Tax Account, notices and customer service pages for final account, filing, payment and legal decisions.

Final Recommendation: Call the Right Wisconsin DOR Number First

For individual income tax, start with 608-266-2486. For business tax, call 608-266-2776. For My Tax Account login help, call 608-261-5338. For refund status, use the online refund tool or call 866-947-7363 toll-free. For back taxes, call 608-266-7879. Have your tax year, account number, notice, refund amount, payment confirmation and My Tax Account details ready before calling.

☎️ Call Individuals 🏛️ Official Phone List 🔐 My Tax Account

Last editorial update: June 7, 2026. Verify final phone numbers, hours, office locations, contact routing and account-specific instructions on official Wisconsin Department of Revenue pages.