SPAMMERS.

I answered the call due to being from the same area as the caller ID showed me.  It ended up being one of the fake Marriott Rewards robots telling me I've been randomly chosen for a free stay at one of their hotels.

This is an ongoing phone spam call originating in 2015.
https://www.rewards-insiders.marriott.com/thread/17886

DON'T PRESS ANY NUMBERS WHEN IT ASKS YOU TO RESPOND.