If you save this and all other unsolicited numbers and give them the name of Z, that name comes up the next time they call. You are then pre-warned it is an unwanted caller.
This entity is a phishing scam pretending to be part of RCI, a travel and timeshare company. I am in contact with a representative from RCI and have given them a list of every number that this entity has called me from and they are investigating it.