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Ohio . Contact directory

How to reach the Ohio Secretary of State.

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

Primary phone
877-767-3453
Mon-Fri 8am-5pm ET
Mailing address
P.O. Box 670, Columbus, OH 43216
Physical address
22 N. Fourth Street, 16th Floor, Columbus, OH 43215
Fax
614-466-3899

The right phone for the right question

Franchise tax and corporate income tax
888-405-4039 (Ohio Department of Taxation, Business Tax Division)
Expedited filings
Standard 3-7 business days; +$50 (preclearance), +$100 (4-hour), +$200 (2-day), +$300 (same-day)
877-767-3453 (Preclearance and Expedite Service)

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

"What is my entity's status?"
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"When is my AR due?"
See AR rules →
"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 Ohio Secretary of State?
The primary phone for the Ohio Secretary of State, Business Services Division is 877-767-3453. Office hours are Mon-Fri 8am-5pm ET.
What are the Ohio Secretary of State office hours?
Office hours are Mon-Fri 8am-5pm ET. Online filings can be submitted 24/7.
What is the Ohio Secretary of State mailing address?
Mailing address: P.O. Box 670, Columbus, OH 43216. Physical office: 22 N. Fourth Street, 16th Floor, Columbus, OH 43215.
How do I speak to a person at the Ohio Secretary of State?
Call 877-767-3453 during business hours.
Does the Ohio Secretary of State offer expedited service?
Standard 3-7 business days; +$50 (preclearance), +$100 (4-hour), +$200 (2-day), +$300 (same-day).
Can I email the Ohio Secretary of State?
Email contact varies by department.
Can I visit the Ohio Secretary of State office in person?
Yes, the physical office is at 22 N. Fourth Street, 16th Floor, Columbus, OH 43215.

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