California State University Fullerton

Campus-Wide Identification Number (CWID) is a unique 9-digit campus-wide identification number (CWID) for CSUF students when they first enroll. Your CWID will be used to identify all your records. You will need your CWID the first time you log into the CSUF Student Portal. If you lose your CWID, go to the What’s My CWID (Campus-Wide ID)? page of the Student Portal.

I certify that I am an international student and I do not have a SSN.

If you have any questions, you may also contact EIP Student Services by email at or call (657) 278-2611 (Monday-Friday 8 a.m.-5 p.m.).