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North Dakota . Contact directory

How to reach the North Dakota Secretary of State.

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

Primary phone
701-328-4284
Mon-Fri 8am-5pm CT
Mailing address
600 E. Boulevard Avenue, Department 108, Bismarck, ND 58505
Physical address
600 E. Boulevard Avenue, Bismarck, ND 58505
Fax
701-328-2992

The right phone for the right question

Franchise tax and corporate income tax
701-328-1242 (ND Office of State Tax Commissioner)
Expedited filings
No premium expedite; online channel is fastest
701-328-4284

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

"What is my entity's status?"
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"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 North Dakota Secretary of State?
The primary phone for the North Dakota Secretary of State, Business Information + Reporting Division is 701-328-4284. Office hours are Mon-Fri 8am-5pm CT.
What are the North Dakota Secretary of State office hours?
Office hours are Mon-Fri 8am-5pm CT. Online filings can be submitted 24/7.
What is the North Dakota Secretary of State mailing address?
Mailing address: 600 E. Boulevard Avenue, Department 108, Bismarck, ND 58505. Physical office: 600 E. Boulevard Avenue, Bismarck, ND 58505.
How do I speak to a person at the North Dakota Secretary of State?
Call 701-328-4284 during business hours.
Does the North Dakota Secretary of State offer expedited service?
No premium expedite; online channel is fastest.
Can I email the North Dakota Secretary of State?
Email contact varies by department.
Can I visit the North Dakota Secretary of State office in person?
Yes, the physical office is at 600 E. Boulevard Avenue, Bismarck, ND 58505.

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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 North Dakota Secretary of State, Business Information + Reporting Division or any Secretary of State office. You may file directly with the North Dakota Secretary of State, Business Information + Reporting Division. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Fees and deadlines verified against the North Dakota Secretary of State, Business Information + Reporting Division as of June 2026 and may change. For entity-specific guidance, consult a licensed North Dakota 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.