Last Updated: Jan 12, 2018 11:19AM PST

Note: You must cancel your reservation 72 hours prior to your arrival date depending on hotel choice to avoid a penalty of one night's room rate plus tax. Please refer to your hotel confirmation email for the exact policy.

To cancel your reservation:
  • Visit the Mobile World Congress Americas Hotel Website, select "Modify Existing Reservation", and enter your confirmation number, email address, and zip/postal code. Once you arrive at the Reservations Details page, click “Cancel Reservation” in red. To confirm your cancellation, choose a cancellation reason and click “Cancel Reservation”.
  • You may call the Mobile World Congress Americas Hotel Contact Center at (800) 421-6338 (Toll Free U.S. & Canada) or at +1(415) 979-2289 (all other countries) Monday – Friday, 9 am – 9 pm Eastern Time.
  • You may send us a message through the Mobile World Congress Americas Hotel Support Center.
  • You may fax your changes to (415) 293-4744.