Maryland
Maryland Last Updated August 22, 2017 Agency Information Comptroller of Maryland, Revenue Administration Division – Withholding Tax Visit the Website 410-260-7980 Account ID Format: 12345678 Maryland Department of Labor, Licensing, and Regulation, Division of Unemployment Insurance – Unemployment tax Visit the Website General Information: 410-767-2412 New Employer Accounts: 410-767-2414 Account ID Format: 1234567800 Add to existing…