Do you know when the new phone numbers will be reflected on the employes itineraries? Mine still have "FOR 24X7 TRAVEL RESERVATIONS PLEASE CALL 1-855-531-4665. ". When you call you get this number is out of service.
This is something your company will need to look into. They might need to work with their Travel Management Company to get this information updated. You can contact your company to find out who you their authorized support contact is, they will be able to help.