Q. Does the Caltech Visitor network work with European cell phone numbers?

Yes. On your mobile device, open WiFi settings and select Caltech Visitor. Next, open a web browser and visit www.caltech.edu.

Enter your name, email address, and mobile number. The default country code is the United States. You can select other countries as well.

Please visit IMSS's page on how to access the Caltech Visitor WiFi network for full set-up instructions.