Main Information lines

617-887-MDOR
800-392-6089 (toll-free in Massachusetts)

DOR's customer service call center hours for tax help are 9 am - 5 pm, Monday through Friday.


Taxpayer Service Division

Certificate Unit
617-887- MDOR (6367) 
Collections Bureau
617-887-6400
Customer Service Bureau
617-887-MDOR (6367)
Toll-free in Massachusetts ...... 800-392-6089

DOR's customer service call center hours for tax help are 9am - 5pm, Monday through Friday.

District Office Counter Locations:


Office of the Taxpayer Advocate

Taxpayer Advocate...... 617-626-2280
Problem Resolution Office...... 617-626-3833


Executive Administration

Commissioner's Office...... 617-626-2201
Office of Tax Policy Analysis...... 617-626-2100
Communications Office..... 617-626-2369


Audit Division

Direct Pay Certification …… 617-887-6809
Managed Compliance Agreements ….. 617-887-6809
Computer-Assisted Audit Techniques ….. 617-887-6996
Banking & Insurance ….. 617-887-6710
Combined Remittance Agreements ….. 617-887-6725
IFTA (Motor Carrier) ….. 617-887-5080
Installment Sales Unit ….. 617-887-6950
Manufacturing Corporation Classification Unit ….. 617-887-6980
Nexus Unit ….. 617-887-6725
Out-of-State Contracts ….. 617-887-6995
Security Corporation Classification Unit ….. 617-887-6990
Voluntary Disclosure Unit ….. 617-887-6725

Estate Tax Unit
Case Status ….. 617-887-6930
Release of Lien ….. 617-887-6930

Effective immediately - Estate Tax Unit's call center hours for tax help are 10:00 am - 4:00 pm, Monday through Friday.

Excise Tax Unit ….. 617-887-5060
Alcoholic Beverage ….. 617-887-5120
Cigarette …… 617-887-5090
Gasoline ….. 617-887-5070
Motor Fuel Refund ….. 617-887-5060
Special Fuels ….. 617-887-5040

Filing Enforcement Unit ….. 617-887-6600

Fraud Unit ….. 617-887-6780
Toll-free in Massachusetts ….. 800-792-5254

Massachusetts Audit Offices

Fall River ….. 508-678-2844
Hyannis ….. 508-771-2414
Pittsfield ….. 413-499-2206
Springfield ….. 413-784-1000
Worcester ….. 508-792-7300

Out-of-State Audit Offices

Chicago, IL ….. 312-899-9040
Houston, TX ….. 713-939-7330
New York, NY ….. 212-768-2750


Child Support Enforcement Division

Toll-free nationwide ...... 800-332-2733


Inspectional Services Division

Main Number...... 617-626-2201
Internal Affairs Office...... 617-626-2130
Internal Audit Office...... 617-626-2190
Internal Affairs Integrity Hotline...... 800-568-0085


Legal Division

General Counsel's Office...... 617-626-3200
Litigation Bureau...... 617-626-3225
Bankruptcy Unit...... 617-626-3875
Rulings & Regulations Bureau...... 617-626-3250
Criminal Investigations Bureau...... 617-626-3210


Local Services Division

Main number ...... 617-626-2300


Office of Appeals

Main Number ...... 617-626-3300


Revenue Accounting Unit

Main Number ...... 617-626-3550


To report allegations of suspected misconduct or impropriety involving Department of Revenue employees, please call the Inspectional Services Division's Integrity Hot Line at 800-568-0085 or write to PO Box 9567, Boston, MA 02114.