DOR Contact Us

Your one-stop connection to the Massachusetts Department of Revenue (DOR) by phone, email or with MassTaxConnect

By phone

Tax Department: DOR's call center hours for tax help are 8:30 a.m. - 4:30 p.m., Monday through Friday. (617) 887-6367 or (800) 392-6089 (toll-free in Massachusetts)

Child Support Services: Case-specific child support questions should be directed to (800) 332-2733 (local callers), (617) 660-1234).

For a complete listing of DOR phone numbers visit Who to call at DOR.

By email

To submit general questions, comments and suggestions, please choose one of the following topics:

Please note: The Department welcomes questions, comments and suggestions. However, to safeguard your privacy, do not send confidential taxpayer information (e.g., your Social Security number(s), tax liability amounts or other taxpayer-specific information). If you choose to disregard this warning, please be aware that the Massachusetts Department of Revenue is not responsible if confidential information which you sent by email is accessed by third parties.

With MassTaxConnect

If you have specific questions about your tax account, please log into MassTaxConnect and send us an email. For MassTaxConnect information, including how to reset your password, visit MassTaxConnect How To Tutorials.

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