Mississippi DOR 2026: State Tax Filing, Refund, TAP Login & Phone
A practical Mississippi Department of Revenue guide for individuals, businesses, employers, vehicle owners and tax representatives who need TAP login help, state income tax filing, refund status, sales tax, grocery tax, business registration, corporate/franchise tax, motor vehicle registration, property tax direction, notices, district offices and official contact paths.
Quick Answer: What Does the Mississippi Department of Revenue Do?
The Mississippi Department of Revenue administers state tax programs, TAP online tax accounts, individual income tax, business tax registration, sales and use tax, withholding, corporate income and franchise tax, pass-through entity matters, tax forms, district office support, ABC permit resources, motor vehicle title and registration systems, county services support, tax guidance, appeals, audits, collections and refund status tools.
For individuals
Use DOR for Form 80-105 resident returns, Form 80-205 nonresident/part-year returns, refund status, TAP payments, 1099-G, identity letters, tax rates, e-file information and notices.
For businesses
Use DOR and TAP for sales tax, use tax, withholding, business registration, corporate/franchise tax, estimated payments, audit billings, resale/exemption issues and tax account management.
For vehicles
DOR oversees title issuance, registration, license plates and motor-vehicle related tax collection, but many vehicle registrations are completed through county Tax Collector offices.
Mississippi DOR Key Facts for 2026
Use this table to understand the most important Mississippi DOR items before you file, log in, check refund status, register a business, renew a tag or call.
| User question | Mississippi DOR answer | Best next step |
|---|---|---|
| Where do I manage Mississippi taxes online? | Use Taxpayer Access Point, commonly called TAP, for online account access, payments, returns, estimates, billings, address updates and refund status. | Open official TAP and select the correct taxpayer or business action. |
| When is my 2025 Mississippi individual return due? | The 2025 Mississippi Individual Income Tax Return is due April 15, 2026. | File electronically when possible or use official DOR forms and instructions. |
| What is the 2025 Mississippi income tax rate? | For the 2025 tax year, Mississippi taxes 0% on the first $10,000 of taxable income and 4.4% on taxable income over $10,000. | Use the 2025 Mississippi instructions before final filing. |
| What is the 2026 Mississippi income tax rate? | For tax year 2026, Mississippi guidance shows 0% on the first $10,000 and 4% on taxable income over $10,000. | Verify with current DOR forms when preparing the 2026 return. |
| What is Mississippi’s regular sales tax rate? | The regular retail sales tax rate is generally 7% unless a law exempts the item or provides a reduced rate. | Check the official sales tax rates page for special categories. |
| What is the Mississippi grocery tax rate? | Beginning July 1, 2025, eligible groceries are taxed at 5% instead of 7%. | Retailers should update point-of-sale systems and review DOR grocery guidance. |
| How do I check Mississippi refund status? | Use the official refund status tool in TAP or call the 24-hour refund line at 601-923-7801. | Have your Social Security number and return details ready. |
| Who do I call for general DOR help? | General information is listed at 601-923-7700. | Prepare tax type, account number, SSN/FEIN, notice and filing period before calling. |
Mississippi Local Tips: Before You Use the Wrong Office
Mississippi tax, vehicle and property questions often involve more than one office. These local tips help users separate DOR, TAP, county Tax Collectors, county assessors, Secretary of State business filings and federal IRS issues.
Secretary of State is not DOR
If you need to form an LLC, search a corporation, file an annual report or update entity records, start with the Mississippi Secretary of State. If you need sales tax, withholding, corporate/franchise tax or tax account registration, use Mississippi DOR and TAP.
County Tax Collector vs DOR
Vehicle registration and many property tax payments are handled locally through county Tax Collector offices. DOR oversees vehicle title/registration systems and publishes guidance, but routine local registration often happens at the county office.
County assessor vs DOR
Property assessment, valuation and many homestead-related local questions usually start with local county officials. DOR provides county services guidance, but it is not normally where homeowners pay county property tax bills.
Jackson, Gulf Coast and local business tip
Mississippi businesses should check state tax registration, local privilege/license requirements, tourism or local fees where applicable, and industry rules such as ABC permits when alcohol is involved.
Mississippi DOR Action Helper: Which Official Page Do You Need?
Choose your situation and this helper points you to the correct Mississippi DOR, TAP, motor vehicle, refund, county or forms path. It does not collect personal data.
Select what you need. The helper will give you the official page, what to prepare and the common mistake to avoid.
TAP Mississippi Login: File, Pay, Update Address and Manage DOR Accounts
Taxpayer Access Point, or TAP, is the main Mississippi DOR online account system. DOR says TAP can be used to view income tax account information, update addresses, make payments for returns, estimates and billings, and review refund status.
Use TAP when you need to
- File or amend eligible returns online.
- Make payments for returns, estimates, assessments or billings.
- Review refund status and recent account activity.
- Update address or taxpayer account information.
- Register or manage business tax accounts.
- Make corporate, franchise or pass-through entity payments where available.
Before logging in, prepare
- SSN, FEIN or Mississippi tax account details.
- Tax type: individual, sales, withholding, corporate, franchise or other.
- Filing period and return type.
- Payment method and bank confirmation records.
- DOR notice, billing or assessment number if resolving a letter.
- Current mailing address and contact details.
Mississippi Individual Income Tax 2026: Form 80-105, Due Date, Rate and Filing Rules
Mississippi individual income tax returns for tax year 2025 are due April 15, 2026. Anyone who requests an extension has until October 15, 2026 to file, but the extension is for filing, not payment. Any tax due should be paid by April 15, 2026 to avoid penalty and interest.
| Individual tax item | What to know | Action |
|---|---|---|
| Resident return | Mississippi residents commonly use Form 80-105. | Use current official forms and instructions. |
| Nonresident / part-year return | Nonresidents and part-year residents commonly use Form 80-205. | Report Mississippi-taxed income according to instructions. |
| 2025 due date | Tax year 2025 individual returns are due April 15, 2026. | E-file when possible and keep confirmation. |
| Extension | Extension deadline is October 15, 2026, but payment is still due by April 15, 2026. | Pay estimated tax due on time. |
| 2025 tax rate | 0% on the first $10,000 of taxable income; 4.4% on taxable income over $10,000. | Use official tax instructions for exact calculation. |
| 2026 tax rate | Mississippi guidance shows 0% on the first $10,000 and 4% on taxable income over $10,000. | Verify with DOR when filing a 2026 return. |
| 2027 tax rate | Mississippi guidance shows 3.75% on taxable income over $10,000 for tax year 2027. | Use current forms for that filing year. |
| E-file benefit | DOR encourages electronic filing; e-file can speed refunds and reduce errors. | Use an approved e-file provider or TAP where applicable. |
Mississippi Refund Status: Where’s My Refund, TAP and 24-Hour Refund Line
Mississippi refund status can be checked through the official refund status tool in TAP. DOR also lists a 24-hour refund assistance line at 601-923-7801. You will need your Social Security number to get refund information by phone.
Before checking refund status
- Confirm the return was actually submitted.
- Know whether you e-filed or mailed a paper return.
- Have your Social Security number available.
- Have the expected refund amount and tax year ready.
- Check whether DOR sent an identity validation letter or adjustment notice.
When refund status is delayed
Paper returns, missing W-2s, identity validation letters, math adjustments, offset issues, direct deposit errors or incomplete filings can delay a refund. Review TAP, refund status, mailbox notices and return confirmation before calling.
Mississippi Business Tax Registration: Sales, Use, Withholding, Corporate and Franchise
Mississippi businesses may need to register with DOR before collecting sales tax, remitting use tax, withholding payroll tax, filing corporate income/franchise tax, making estimated payments or managing audit/billing payments. TAP is the main online path for many business tax account actions.
Businesses should check registration when they
- Sell taxable tangible personal property in Mississippi.
- Need a sales tax or use tax account.
- Hire employees and need withholding tax.
- Operate as a corporation, franchise taxpayer or pass-through entity.
- Need to make estimated payments or pay billings/audits online.
- Need ABC permits or alcohol-related tax support.
Prepare before registering
- FEIN, SSN or owner identification.
- Legal business name and trade name.
- Mississippi Secretary of State entity information if applicable.
- Business location and mailing address.
- First date of Mississippi taxable activity.
- Tax types needed: sales, use, withholding, corporate, franchise or ABC.
Mississippi Business Owner Workflow: Secretary of State → IRS → Mississippi DOR → Local/Industry License
A Mississippi business may need several separate registrations. DOR tax registration does not replace entity formation, federal EIN, local privilege/license requirements or industry permits.
| Step | Where to go | Why it matters | Common mistake |
|---|---|---|---|
| 1. Business entity | Mississippi Secretary of State | Forms or searches LLCs, corporations and registered business entities. | Thinking DOR forms the LLC. |
| 2. Federal EIN | IRS | Needed for payroll, banking and many tax accounts. | Paying unnecessary third-party EIN fees. |
| 3. State tax account | Mississippi DOR / TAP | Registers sales, use, withholding and business tax accounts when required. | Selling taxable items before registration. |
| 4. Local license | City or county office | Some local governments require privilege license or local business approval. | Assuming state tax registration replaces local rules. |
| 5. Industry permit | DOR ABC or other agency if applicable | Alcohol, tobacco, gaming, contractors and regulated industries may need extra approvals. | Only registering with DOR tax and ignoring industry permits. |
Mississippi Sales and Use Tax: 7% Rate, Grocery Reduction, Contractors and Exemptions
Mississippi’s regular retail sales tax rate is generally 7% unless an item is exempt or qualifies for a reduced rate. Beginning July 1, 2025, eligible groceries are taxed at 5%. Certain categories, including farm tractors, logging equipment, farm implements, contractor activity and special machinery categories, may have different treatment.
| Sales/use topic | What to know | Best action |
|---|---|---|
| Regular retail sales | Sale of tangible personal property is generally taxed at 7%. | Use DOR rate pages and business guidance before collecting tax. |
| Groceries | Eligible groceries are taxed at 5% beginning July 1, 2025. | Retailers should update registers and point-of-sale systems. |
| Consumer use tax | Mississippi use tax may apply when sales tax was not paid to another state. | Track untaxed out-of-state purchases. |
| Contractor tax | Mississippi has specific contractor tax rules, including 3.5% contractor’s tax for certain non-residential construction contracts exceeding $10,000. | Use DOR contractor guide before quoting projects. |
| Exemptions | Exemptions and reduced rates require correct documentation and legal basis. | Keep exemption certificates and customer records. |
| Verify sales tax number | DOR provides tools to verify sales tax numbers. | Use official verification before relying on resale/exemption claims. |
Mississippi Employer Withholding Tax: Payroll, Worker Classification and Records
Mississippi employers may need to withhold state income tax from wages and file withholding returns. DOR relies on federal rules to help determine whether a worker is an employee or an independent contractor for withholding tax purposes.
Employer withholding checklist
- Register for withholding tax when required.
- Collect and maintain employee withholding records.
- Use current Mississippi withholding tables and forms.
- File required withholding returns and payments on time.
- Keep payroll records, W-2/1099 data and TAP confirmations.
Employee vs contractor warning
Worker classification affects withholding tax. Mississippi DOR points to federal rules for determining whether the person providing services is an employee or independent contractor. Employers should keep contracts, payroll files, payment records and worker classification support.
Mississippi Corporate Income, Franchise and Pass-Through Tax
Mississippi DOR handles corporate income tax, franchise tax and pass-through entity tax matters. Corporate, franchise and pass-through entities may register for TAP online access, file and pay estimated tax, and make online payments for returns, billings and audits.
Corporate and franchise facts
- Mississippi franchise tax is imposed on corporations for the privilege of doing business in the state.
- For tax years beginning on or after January 1, 2026 but before January 1, 2027, franchise tax is computed at $0.50 per $1,000, or fraction, of capital employed in excess of $100,000 or assessed property values in Mississippi, whichever is greater.
- Minimum franchise tax is $25.
- Mississippi does not have a minimum corporate income tax.
- Corporations and pass-through entities with annual income tax liability over $200 generally must make estimated payments.
Business income tax caution
Mississippi business tax pages include separate rules for corporate income, franchise tax, pass-through entity tax, estimated payments, electronic filing and audit/billing payments. Use current DOR forms before final filing because income tax and franchise rules may change by tax year.
Mississippi Motor Vehicle: Tag Renewal, Title, Registration and County Tax Collector
Mississippi DOR oversees vehicle title issuance, registration, license plates and motor-vehicle related tax collection. However, vehicles with a gross vehicle weight of 10,000 pounds or less are registered at the local county Tax Collector’s office in the county where the vehicle is domiciled or parked overnight.
Use motor vehicle resources for
- Vehicle title information.
- Registration and tag renewal guidance.
- County Tax Collector links.
- Motor Vehicle e-Services.
- Ad valorem tax information.
- Available license plates and special tag information.
Prepare before tag or title help
- VIN, title, plate and registration details.
- County where the vehicle is domiciled.
- Insurance and identification documents.
- Bill of sale, title application or lien documents where applicable.
- County Tax Collector receipt or local tax documents if required.
Mississippi Property Tax, County Services and Motor Vehicle Ad Valorem Tax
Mississippi property tax and vehicle ad valorem questions often involve county officials. DOR publishes county services and property tax guidance, but local tax collectors and assessors usually handle local property tax bills, assessments and receipts.
| Property issue | Usually correct path | Why |
|---|---|---|
| Real property tax bill | County Tax Collector / local office | Property tax billing and payment are local. |
| Property assessment | County Assessor | Valuation and assessment are usually local. |
| Vehicle ad valorem tax | County Tax Collector plus DOR guidance | Vehicle taxes are tied to registration and local collection. |
| Homestead and local exemptions | County officials | Eligibility and filing are usually handled locally. |
| Property tax rules and FAQs | DOR County Services | DOR publishes guidance and statewide resources. |
Mississippi DOR Notice, Identity Letter, Audit, Billing or Collection Issue
A Mississippi DOR notice may involve income tax, identity validation, refund adjustment, missing forms, sales/use tax, withholding, corporate/franchise tax, audit billing, address issues or vehicle tax matters. Do not ignore the notice, but verify the contact path before paying or sharing sensitive data.
| Notice type | First thing to check | Best action |
|---|---|---|
| Identity validation letter | Letter instructions, tax year and verification method. | Use official DOR/TAP paths and do not click suspicious links. |
| Refund adjustment | Adjusted amount, missing W-2/1099 or math changes. | Compare with filed return and DOR correspondence. |
| Late filing or payment | Due date, payment confirmation and tax year. | Check TAP payments and penalty/interest details. |
| Sales/use tax notice | Tax period, gross sales, exemptions and payments. | Prepare sales records and TAP confirmation before contacting DOR. |
| Corporate/franchise notice | Tax year, return, capital/franchise calculation and estimated payments. | Use corporate/franchise guidance and records. |
| Audit or billing | Documents requested, period, deadline and contact section. | Organize records and respond by the deadline. |
Mississippi DOR District Office, Clinton Office and Call-Before-Visiting Strategy
Mississippi DOR’s main physical address is South Pointe Business Park, 500 Clinton Center Drive, Clinton, MS 39056. The main mailing address commonly appears as P.O. Box 1033, Jackson, MS 39215-1033. District offices may serve specific counties and service types, so call before visiting.
Bring records when visiting or calling
- DOR notice, billing, letter ID or account number.
- Tax year, tax period and return copy.
- Payment confirmations and bank records.
- SSN, FEIN, Mississippi tax account number or TAP details.
- VIN, plate, title or county documents for motor vehicle issues.
- Power of Attorney or authorization if representing someone else.
Call-before-visiting rule
Not every DOR or county office handles every service. Call first if you need motor vehicle title support, ABC permits, audit documents, refund help, sales tax registration, tax account access or a district office appointment.
Mississippi Department of Revenue Phone Numbers, Address and Contact Details
Use the right Mississippi DOR contact path for the right issue. Prepare identification and account information before calling because DOR may need to verify your account.
| Need | Official contact | What to prepare |
|---|---|---|
| General DOR / individual income tax information | 601-923-7700 | Name, tax year, last four of SSN, notice and return copy. |
| 24-hour refund line | 601-923-7801 | Social Security number and refund details. |
| Daily refund phone help | 601-923-7700, daily 8am–5pm as listed by DOR | Refund status, tax year and return information. |
| Registration for new tax accounts | 601-923-7700; Fax 601-923-7714 | FEIN, business name, tax type and start date. |
| Motor Vehicle Services | 601-923-7700 | VIN, plate, title, registration, county and tax collector details. |
| Main physical address | South Pointe Business Park, 500 Clinton Center Drive, Clinton, MS 39056 | Call before visiting. |
| Main mailing address | P.O. Box 1033, Jackson, MS 39215-1033 | Use exact mailing instructions from your DOR form or notice. |
| Individual return refund mailing address | Department of Revenue, P.O. Box 23058, Jackson, MS 39225-3058 | Use for returns requesting refund when instructions match. |
| Individual return payment/no-tax-due mailing address | Department of Revenue, P.O. Box 23050, Jackson, MS 39225-3050 | Use for payment or no-tax-due returns when instructions match. |
Mississippi DOR FAQs
Visible FAQs below match the FAQPage schema included at the end of this article.
What is the official Mississippi Department of Revenue website?
The official Mississippi Department of Revenue website is dor.ms.gov. Use it for official tax, refund, motor vehicle, sales tax, forms, TAP and contact information.
What is TAP Mississippi?
TAP is Mississippi’s Taxpayer Access Point. Taxpayers can use TAP for online account access, payments, returns, estimates, billings, address updates and refund status.
How do I check my Mississippi refund status?
Use the official TAP refund status tool or call the 24-hour refund line at 601-923-7801.
What phone number do I call for Mississippi refund information?
The Mississippi DOR 24-hour refund line is 601-923-7801. Daily refund phone help is also listed at 601-923-7700.
When is the 2025 Mississippi individual income tax return due?
The 2025 Mississippi Individual Income Tax Return is due April 15, 2026.
What is the Mississippi individual income tax extension deadline for 2025 returns?
Anyone who requests an extension has until October 15, 2026 to file the 2025 return, but tax due should be paid by April 15, 2026.
What is the 2025 Mississippi individual income tax rate?
For tax year 2025, Mississippi taxes 0% on the first $10,000 of taxable income and 4.4% on taxable income over $10,000.
What is the 2026 Mississippi individual income tax rate?
For tax year 2026, Mississippi guidance shows 0% on the first $10,000 of taxable income and 4% on taxable income over $10,000.
What is the Mississippi sales tax rate?
Mississippi’s regular retail sales tax rate is generally 7% unless an item is exempt or qualifies for a reduced rate.
What is the Mississippi grocery tax rate?
Beginning July 1, 2025, eligible groceries are taxed at 5% instead of 7%.
Where do I register a Mississippi business for taxes?
Use Mississippi DOR business resources and TAP to register or manage eligible Mississippi tax accounts.
Is the Mississippi Secretary of State the same as Mississippi DOR?
No. The Secretary of State handles business entity records, while Mississippi DOR handles state tax accounts, TAP, sales tax, withholding, corporate/franchise tax and motor vehicle tax systems.
Does Mississippi DOR handle vehicle registration?
Mississippi DOR oversees vehicle title and registration systems, but many vehicles are registered through the local county Tax Collector’s office.
Where do I renew a Mississippi tag online?
Use the official Mississippi DOR Motor Vehicle Online Tag Renewal page to see whether your county offers online renewal.
Who handles Mississippi vehicle registration for vehicles under 10,000 pounds?
Vehicles with a gross vehicle weight of 10,000 pounds or less are registered at the local county Tax Collector’s office.
What is the Mississippi DOR motor vehicle phone number?
Motor Vehicle Services contact is listed at 601-923-7700.
Does Mississippi DOR handle driver licenses?
This guide focuses on Mississippi DOR tax and motor vehicle title/registration resources. Driver license services are generally handled separately through Mississippi driver services, not normal DOR tax account pages.
Does Mississippi DOR handle property tax bills?
Property tax bills and many local property tax questions usually start with county Tax Collectors or county officials, not a normal DOR tax account.
What is Mississippi franchise tax for 2026?
For tax years beginning on or after January 1, 2026 but before January 1, 2027, franchise tax is computed at $0.50 per $1,000, or fraction, of the value of capital employed in excess of $100,000 or assessed property values in Mississippi, whichever is greater. Minimum franchise tax is $25.
Does Mississippi have a minimum corporate income tax?
No. Mississippi DOR business FAQs state that Mississippi does not have a minimum corporate income tax.
Do corporations and pass-through entities use TAP?
Yes. Corporate, franchise and pass-through entities may register for online access in TAP and make online payments for estimates, returns, billings and audits.
What is Mississippi contractor’s tax?
Mississippi has specific contractor tax rules, including a 3.5% contractor’s tax for certain non-residential construction activities when compensation exceeds $10,000.
What should I prepare before calling Mississippi DOR?
Prepare your tax year, tax type, notice, SSN, FEIN, Mississippi tax account number, TAP information, payment confirmations and filing period.
What is the Mississippi DOR general information phone number?
The general Mississippi DOR information phone number is 601-923-7700.
What is Mississippi DOR’s main physical address?
Mississippi DOR’s main physical address is South Pointe Business Park, 500 Clinton Center Drive, Clinton, MS 39056.
What is Mississippi DOR’s main mailing address?
The main mailing address commonly listed by DOR is P.O. Box 1033, Jackson, MS 39215-1033.
Where do I mail a Mississippi individual return requesting a refund?
Mississippi individual return instructions list Department of Revenue, P.O. Box 23058, Jackson, MS 39225-3058 for returns requesting a refund.
Where do I mail a Mississippi individual return with payment or no tax due?
Mississippi individual return instructions list Department of Revenue, P.O. Box 23050, Jackson, MS 39225-3050 for all other returns with payments or no tax due.
How can I verify a Mississippi Revenue Officer badge?
Use the official Mississippi DOR website, which includes a “Verify Revenue Officer Badge” shortcut on its homepage.
Is this website the official Mississippi DOR website?
No. This is an independent informational guide. Use official Mississippi DOR and TAP pages for filing, payments, account access, refund status and legal decisions.
Final Recommendation: Use This Page as Your Mississippi DOR Roadmap
Start here to understand the correct Mississippi DOR path, then complete sensitive actions only through official Mississippi DOR, TAP, motor vehicle or county office pages. For tax issues, keep return confirmations, TAP payments, refund details, notices and account IDs. For tags, titles and property tax, confirm whether your county Tax Collector or county officials must handle the transaction.
Last editorial update: June 5, 2026. Verify final filing, payment, refund, tax rate, vehicle and legal details on official Mississippi DOR pages.