OpenAI — Headquarters Address & ZIP Code
Use 1455 Third Street for the published registered office; 3180 18th Street is an older location. No public headquarters switchboard is listed in the cited contact policy.
OpenAI
OpenAI
1455 Third Street
San Francisco, CA 94158
UNITED STATES
Form-Filling Cheatsheet
How to fill in vendor registration, tax (W-9), and B2B shipping forms for OpenAI:
| Form Field Name | Exact Value to Enter |
|---|---|
| Recipient / Organization | OpenAI |
| Address Line 1 | 1455 Third Street |
| Office / Address Line 2 | Leave blank |
| City | San Francisco |
| State / Province | CA |
| ZIP / Postal Code | 94158 |
| Country | UNITED STATES |
Official sources
Frequently Asked Questions
What postal code should I enter?
Use 94158 for the address shown for OpenAI. Other offices may use different codes.
Can I use this address as my billing or registered business address?
This is an address for OpenAI. Use your own card issuer’s billing address or your business’s documented address on your forms; a company headquarters address is not a substitute.
What should I check before sending mail?
Use 1455 Third Street for the published registered office; 3180 18th Street is an older location. No public headquarters switchboard is listed in the cited contact policy.