OpenAI headquarters details
- City
- San Francisco
- State / region
- California
- ZIP / postal code
- 94103
- Country
- United States
- Phone
- +1 800 242 8478
- Founded
- 2015
- Website
- openai.com
- linkedin.com/company/openai
Location map
Open in Google MapsAll OpenAI office locations
| City | State / region | Country | Type |
|---|---|---|---|
| San Francisco HQ | California | United States | Headquarters |
Showing the headquarters of 13 recorded locations. See every location in GraphIQ →
About OpenAI
OpenAI is headquartered in San Francisco, California, United States. Founded in 2015, the company has 13 recorded locations across 2+ countries and employs approximately 770 people worldwide.
Where is OpenAI's main office?
OpenAI's main headquarters office is located at San Francisco, California 94103, United States. This is the company's primary corporate address.
OpenAI regional offices
Beyond its headquarters in San Francisco, OpenAI has recorded locations in United States and Singapore.
OpenAI contact information
The main switchboard for OpenAI headquarters can be reached at +1 800 242 8478. Official website: openai.com.
What does OpenAI do?
OpenAI is an American artificial intelligence (AI) organization consisting of the non-profit OpenAI, Inc. registered in Delaware and its for-profit subsidiary corporation OpenAI Global, LLC. OpenAI researches artificial intelligence with the declared intention of developing "safe and beneficial" artificial general intelligence, which it defines as "highly autonomous systems that outperform humans at most economically valuable work".
OpenAI competitors & similar companies
Frequently asked questions
Where is OpenAI headquarters?
OpenAI's headquarters is located at San Francisco, California 94103, United States.
How many offices does OpenAI have?
GraphIQ records 13 locations for OpenAI across 2+ countries, as of October 2026.
When was OpenAI founded?
OpenAI was founded in 2015 and employs approximately 770 people.
What is OpenAI's phone number?
The main phone number for OpenAI headquarters is +1 800 242 8478.
How many employees does OpenAI have?
OpenAI has approximately 770 employees (GraphIQ estimate, 2026).