Tax Department: DOR's call center hours for tax help are 9 a.m. – 4 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) from 8:30 a.m. - 4:30 p.m., Monday through Friday.
Division of Local Services: Telephone services have been temporarily suspended. Local officials and those working on behalf of municipalities should consult with your local counsel for legal advice.
For urgent municipal finance and regulatory compliance questions, please email us at COVID19DLS@dor.state.ma.us. Before submitting questions, please check the DLS website and review our DLS Alerts notifications for the most up-to-date information.
For a complete listing of DOR phone numbers visit Who to call at DOR.
To submit general questions, comments and suggestions, please choose one of the following topics:
- Annual Certification of Entity Tax Status (Corporations Book)
- Business/Trustee Tax
- Certificate of Good Standing
- Child Support
- Corporate Excise
- Division of Local Services
- Identity Theft Information
- International Fuel Tax Agreement (IFTA)
- Personal Income Tax
- Secure Tax Questions
If you have specific questions about your tax account, please log in to DOR’s secure site, MassTaxConnect and send us an email message. If you are not currently registered with DOR, choose “Register a new taxpayer” under “Quick Links.”
Please note: DOR 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 DOR is not responsible if confidential information which you sent by email is accessed by third parties.
Where's My Refund?
To check the status of your refund (for original returns submitted after 12/1/2016 only) visit MassTaxConnect's Where's My Refund?
MassTaxConnect's "Where's My Refund?" application has the most up-to-date information about your refund. When your refund is approved, you will see the date your refund was direct-deposited or mailed.
For questions about your tax account, please log into MassTaxConnect and send us an email.
For MassTaxConnect information, visit:
If you have forgotten your MassTaxConnect username or password select:
- Forgot password? or
- Forgot username?
located on the MassTaxConnect homepage under the Logon button.
DOR tax and child support walk-in counters (including tax kiosks) are closed until further notice.
District Office Counters for Tax Assistance
Monday through Friday, 9 a.m. – 4 p.m.
District Office Counters for Child Support Assistance
Monday through Friday, 9:00 a.m. – 5:00 p.m.
Visit any one of the Child Support Enforcement Division locations located in:
Hot topics at DOR
Follow news on Department of Revenue (DOR) issues that may impact more than one taxpayer. We describe the issue and will provide updates on the progress until it’s resolved. Visit Hot topics at DOR.
- Tax forms and instructions
- Mailing addresses for Massachusetts tax forms
- Estimated tax payment vouchers
- File an extension for filing Massachusetts Personal Income or Fiduciary tax
- Tax guides
- Legal library
- Amend your tax return or request an abatement of tax
- Personal income tax
- Business taxes
- Criminal Investigations Bureau
- Tax bills, collections, audits and appeals
- Office of the Taxpayer Advocate
- Tax professionals
- Tax software developers