One Stop Center

Contact Information

Hours of Operation: 9:00 a.m. – 5:00 p.m., Monday – Friday

Telephone Number: (213) 740-8500

Fax Number: (213) 821-3724

Mailing address:

Registrar One Stop
University of Southern California
University Park Campus
700 Childs Way, John Hubbard Hall Lobby (JHH)
Los Angeles, CA 90089-0912


Have a question?

The askUSC portal will help you find answers to our most commonly asked questions – and even some you may not have thought about. If you have any questions, or wish to email us, we invite you to askUSC

Note: Current USC students must use their official university email address ( for all official university communications.