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Oklahoma . Contact directory

How to reach the Oklahoma Secretary of State.

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

Primary phone
405-521-3912
Mon-Fri 8am-5pm CT
Mailing address
421 N.W. 13th Street, Suite 210, Oklahoma City, OK 73103
Physical address
421 N.W. 13th Street, Suite 210, Oklahoma City, OK 73103
Fax
405-521-3771

The right phone for the right question

Franchise tax and corporate income tax
405-521-3160 (OK Tax Commission, Business Tax Services)
Expedited filings
Standard 3-5 business days; +$25 (24-hour), +$50 (same-day)
405-521-3912 (24-hour and same-day expedite)

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

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

Frequently asked questions

What is the phone number for the Oklahoma Secretary of State?
The primary phone for the Oklahoma Secretary of State, Business Filing Department is 405-521-3912. Office hours are Mon-Fri 8am-5pm CT.
What are the Oklahoma Secretary of State office hours?
Office hours are Mon-Fri 8am-5pm CT. Online filings can be submitted 24/7.
What is the Oklahoma Secretary of State mailing address?
Mailing address: 421 N.W. 13th Street, Suite 210, Oklahoma City, OK 73103. Physical office: 421 N.W. 13th Street, Suite 210, Oklahoma City, OK 73103.
How do I speak to a person at the Oklahoma Secretary of State?
Call 405-521-3912 during business hours.
Does the Oklahoma Secretary of State offer expedited service?
Standard 3-5 business days; +$25 (24-hour), +$50 (same-day).
Can I email the Oklahoma Secretary of State?
Email contact varies by department.
Can I visit the Oklahoma Secretary of State office in person?
Yes, the physical office is at 421 N.W. 13th Street, Suite 210, Oklahoma City, OK 73103.

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