The number is 407-934-7639.
Make sure when you call tell the CM you want to speak to CRO(central reservations) the cancellation policy for CRO is 5 days and you need a one night stay deposit.
Booking with Walt Disney Travel you have a 45 day cancellation and have to have a $200.00 deposit.
If they cannot connect you politely hang up and call back until you get CRO.