Office of International Students and Scholars (OISS)
Address: L5 Whittier Hall
Box: 007 Phone: 212-678-3939 Email: tcintl@tc.columbia.edu
Hours of Operation
Monday - Friday: 9am - 5pm
Summer Hours (late May- late August)
Monday - Thursday: 9am - 5pm Friday: 9am - 1pm
*The OISS is closed on weekends and most national holidays.*