Get Answers Support Tax Filings & Payments State Filings General What type of businesses needs a state tax ID while filing Form W-2? Last modified 4/3/2023 3:13:46 AM EST In general, if your business needs to file any state taxes or hire employees, you need a state tax identification number. Businesses with employees need a state tax ID for each state where they hire employees. Was this helpful? Yes No Related Questions If I already have a federal tax ID, do I need to register with my state? What is the difference between state income tax withholding and local income tax withholding in Form W-2? I e-filed my W-2 Form, do I need to complete state reconciliation forms? How to know the state confirmation number for the W-2s I filed in TaxBandits? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (704) 684-4751 support@taxbandits.com Sign Up for a FREE TaxBandits Account! The Smart CPA Choice Register Now Already have an account? Sign in