PLEASE NOTE: Maritz Global Events is the Official Housing Provider for ONS 47th Annual Congress.
ONS has worked diligently with the hotels in Anaheim, CA to establish room blocks for attendees and exhibitors. Improper solicitation of hotel reservations from any company or housing provider other than Maritz Global Events is not approved by ONS. Reservations made by unaffiliated organizations may appear to be for lower rates, however they may be illegitimate, have unreasonable cancellation or change penalties, or be completely non-refundable. Please be aware of and report any unauthorized solicitation to ONS.
The 2022 ONS CONGRESS HOUSING DEADLINE HAS NOW PASSED
For new reservations, or to change/cancel an existing hotel reservation, please contact the hotel directly:
Anaheim Marriott: 714.750.8000
Hilton Anaheim: 714.750.4321
Please see your email confirmation from ONS 47th Annual Congress Registration (email@example.com) for the hotel cancellation policy applicable to your reservation.
*Hotel rates for new reservations are at the discretion of the hotel. ONS housing officially closed as of April 12, 2022 11:59 pm ET.