Open University

California State University, Fullerton

Contact Us

If you didn't find the answer to your question on our FAQs page, fill out our contact form and someone will get back to you as soon as possible.

Drop by our offices for additional help.

Stop on By?

If you are on or near the Cal State Fullerton campus, the Extension and International Programs Student Services office would be happy to help you with any payment or registration issues.


Extension and International Programs, Student Services
1111 N. State College Blvd., Suite 1117
Fullerton, CA 92831
(657) 278–2611

Hours of Operation:

Monday – Thursday: 8:00 a.m. – 5:30 p.m.
Friday: 8:00 a.m. – 5:00 p.m.

*EIP Student Services is open for extended hours of 8:00 a.m. – 6:00 p.m. Monday – Thursday, during the first two weeks of Spring/Fall registration


You can use the Google Maps link Opens in new window for driving/walking directions to our building or the embedded map below: