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Massachusetts . Contact directory

How to reach the Massachusetts Secretary of State.

Direct phone number, hours, mailing and physical addresses, and the right phone for the right question. Plus the related Massachusetts departments most business owners need.

Primary phone
617-727-9640
Mon-Fri 8:45am-5pm ET
Mailing address
1 Ashburton Place, Room 1717, Boston, MA 02108
Physical address
1 Ashburton Place, 17th Floor, Boston, MA 02108
Fax
617-742-4538

The right phone for the right question

Franchise tax and corporate income tax
617-887-6367 (MA Department of Revenue, Corporate Tax Division)
Expedited filings
Standard 24-48 hours online; same-day counter pickup available
617-727-9640 (same-day expedite available at counter)

Most calls to the Massachusetts SoS are about things File.Business can answer instantly

"What is my entity's status?"
Run a search →
"When is my AR due?"
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"How do I change RA?"
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"Can I reinstate?"
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FAQ

Frequently asked questions

What is the phone number for the Massachusetts Secretary of State?
The primary phone for the Massachusetts Secretary of the Commonwealth, Corporations Division is 617-727-9640. Office hours are Mon-Fri 8:45am-5pm ET.
What are the Massachusetts Secretary of State office hours?
Office hours are Mon-Fri 8:45am-5pm ET. Online filings can be submitted 24/7.
What is the Massachusetts Secretary of State mailing address?
Mailing address: 1 Ashburton Place, Room 1717, Boston, MA 02108. Physical office: 1 Ashburton Place, 17th Floor, Boston, MA 02108.
How do I speak to a person at the Massachusetts Secretary of State?
Call 617-727-9640 during business hours.
Does the Massachusetts Secretary of State offer expedited service?
Standard 24-48 hours online; same-day counter pickup available.
Can I email the Massachusetts Secretary of State?
Email contact varies by department.
Can I visit the Massachusetts Secretary of State office in person?
Yes, the physical office is at 1 Ashburton Place, 17th Floor, Boston, MA 02108.

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Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the Massachusetts Secretary of the Commonwealth, Corporations Division or any Secretary of State office. You may file directly with the Massachusetts Secretary of the Commonwealth, Corporations Division. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Fees and deadlines verified against the Massachusetts Secretary of the Commonwealth, Corporations Division as of June 2026 and may change. For entity-specific guidance, consult a licensed Massachusetts attorney or CPA.

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File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with any Secretary of State office. You may file directly with the appropriate state agency. SOC 2 Type II audited. 220,000+ businesses formed since 2017.