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What's That Number?

What's That Number
Book A Room

January 1 – December 31, 2023

Play for your chance to win a prize valued at $100 each month in 2023!

Prizes include Free Slot Play and Reward Credits®.

Simply follow and like our Facebook page at and keep an eye out for our “What’s That Number” posts throughout 2023!

  • Submit your guess by commenting on the original post within 24 hours.
  • The participant with the correct answer or closest correct answer, will be contacted via Facebook Messenger as a potential winner!
  • Potential winners will need to respond to the message to claim their prize.*

*Potential winners will be contacted via Facebook Messenger and will need to respond within 48 hours of being contacted to claim their prize! Potential winners will need to confirm eligibility by providing their full name, date of birth, Caesars Rewards® number, and phone number or email address. Potential winners can sign up for Caesars Rewards for Free at the Caesars Rewards Center at Harrah’s Ak-Chin Casino.  Not redeemable for cash. Prizes must be redeemed in person with valid photo ID and Caesars Rewards card within 14 days of claiming prize on Facebook Messenger or prize will become void. Valid at Harrah's Ak-Chin Casino only. Must be 21 or older to gamble and take advantage of these offers. Know When To Stop Before You Start.® Gambling Problem? Call 1-800-522-4700 or 1-800-NEXT STEP. ©2023 Caesars License Company, LLC. See official promotional rules.