District of Columbia
District of Columbia Last Updated August 11, 2017 Agency Information District of Columbia Office of Tax and Revenue – Withholding Tax Visit the Website Business Tax Assistance: 202-727-4829 Account ID Format: 301234567891 District of Columbia Department of Employment Services – Unemployment tax Visit the Website Employer Services: 202-698-7550 Account ID Format: 123456 or 123 456 Add…