solution home » services » solution Verify Tax Identification NumberContact the State of Georgia, Department of Revenue, at 1-877-423-6711, or visit their website for your State Tax Identification Number. Contact the Internal Revenue Service (IRS) at 1-800-829-4933, or visit their website for Federal Tax Identification Number (EIN). Web links are listed below.State of Georgia Department of RevenueInternal Revenue ServiceAtlanta Surrounding Government JurisdictionsThis Article was created on: 02/23/2014This Article was last updated on: 09/09/2020