Our offices are located in Room 230 on the second floor of the Center for Student Services building at 414 South Holliston Avenue, Pasadena, CA 91125. Business hours are 8:00AM to 12:00PM, 1:00PM to 5:00PM. Directions are available on our maps page.
Corresponding with Us
You should address all correspondence to the main campus mailing facility to insure a reliable delivery of your materials. Our mailing address:
California Institute of Technology
Mail Code 230-87
Pasadena, CA 91125
Contacting Us via Telephone
There is someone ready to answer your call Monday through Friday from 8:00 a.m.- 12p.m. and 1:00p.m. until 5:00 p.m. PST, except on Institute and national holidays. Our main telephone number is (626) 395-6346. You also have the choice of faxing your correspondence. Our fax machine is ready 24 hours a day, 365 days a year at (626) 577-9246.
Contacting Us Electronically
We have provided an Inquiry and Contact online form for you to submit your questions or inquiries to the appropriate staff member. Answers to common Admissions related inquiries can be found in our Frequently Asked Questions page. Our electronic correspondence is read and answered regularly during our office hours. Our email address is