By using the Internet as a customer service tool, the Department of Revenue is able to offer Massachusetts taxpayers and tax professionals one-stop access to a wide array of resources. If you need additional information not found within this website, please call our main information lines at (617) 887-MDOR or toll-free in Massachusetts at (800) 392-6089. Hearing impaired taxpayers can access DOR's Teletypewriter by calling 617-887-6140.

Business hours are Monday through Friday 8:45 a.m. to 5:00 p.m. Call Center hours are Monday through Friday 9:00 a.m. to 5:00 p.m. If you have tax questions during non-business hours and cannot find the answers you need on this site, please use the Contact Us option on the bottom of this page and we will respond to your inquiry as promptly as we can.

24-Hour Automated Telephone Assistance
For taxpayer convenience, DOR offers automated telephone assistance 24 hours a day, 7 days a week for routine requests. For example, taxpayers can order forms, check the status of refunds or establish monthly payment plans to pay outstanding tax liabilities by calling (617) 887-MDOR or toll free in Massachusetts at 800-392-6089 and accessing our automated system at any time.