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Find your Mississippi tax account info

Income tax withholding

If you've run payroll in Mississippi in the past, you can find your Tax Account ID Number on notices that you have received from the Mississippi Department of Revenue or you may call them at (601) 923-7700.

State unemployment

You can find your MDES EAN on notices received from the Mississippi Department of Employment Security such as the Registration Notification Letter or Quarterly Contribution Report (Form UI-2). You should also call the agency at (601) 321-6000 if you need to inquire about your number.

UI Contribution Rate

If you have run payroll in Mississippi before, you can find your UI Contribution Rate on the Contribution Tax Rate Notice that is sent out by the Mississippi Department of Employment Security. It generally ranges from 0.2%–5.6% with a wage base of $14,000. Please exclude the training rate when inputting your UI contribution rate. If you’re unsure, verify your rate by calling your Tax Field Representative.