How do I register for Mississippi payroll taxes?

Registering for Mississippi Payroll Tax Account Numbers

Mississippi requires employers to register with the Department of Revenue and Department of Employment Security.

Department of Revenue Employer Identification Number

• Register online
• Format: 8 digits (9999-9999)
• To find an existing account number, call: (601) 923-7700

Department of Employment Security Account Number

• Register online
• Format: 10 digits (99-99999-9-99, 99 99999 9 99, 99-99999-A-99, 99 99999 A 99)
• To find an existing account number, call: (601) 321-6000

Mississippi Payroll Taxes

Payroll Tax Rates

The Department of Employment Security will assign your unemployment insurance tax rate. New employers generally will pay 1% the first year, 1.1% the second year, and 1.2% the third year. There is a fixed Workforce Enhancement Contribution rate.

Payroll Tax Deposit Schedules

All unemployment taxes are deposited quarterly.

The Department of Revenue will assign your withholding deposit schedule. You will either deposit taxes on a quarterly or monthly basis.