Thank you for taking the time to get in touch with California Southern University! See below to connect with the appropriate point of contact for your request or question – or use the contact form to ask a general question.

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Interested in attending CalSouthern? Contact us for details about our online degree and certificate programs.

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University Departments

Click the links below to send an email directly to the respective department or call 800.477.2254 along with the phone extension to reach it directly.

DepartmentPhone ExtensionEmail Address
Office of the
School of Behavioral
School of Business and
School of Criminology and Criminal
School of
School of
School of

Campus Visits

CalSouthern is 100% online, but always accessible. We invite existing and prospective learners and alumni to plan a visit to our campus and meet our administration, staff and faculty.

We are located in Costa Mesa, California, just minutes away from Orange County’s John Wayne Airport. Please call in advance to set up an appointment Monday-Friday during our office hours from 8:00 a.m. to 5:00 p.m. (PST).

California Southern University
3330 Harbor Blvd.
Costa Mesa, California 92626

Phone & Fax:
USA toll-free: 800.477.2254
International: 1.714.480.0800
Fax: 714.480.0834

Accreditation & Approvals


California Southern University is accredited by the Western Association of Schools and Colleges Senior College and University Commission (WSCUC), which is one of six regional accrediting bodies recognized by the U.S. Department of Education and the Council for Higher Education Accreditation (CHEA). Regional accreditation is the most highly respected and recognized form of accreditation in the United States, and it provides students with a number of important benefits and opportunities.

Please visit the Accreditation & Licensure page to learn more.

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