Who called from 4155237625

Recorded call from "Green Surveys" saying I'd won a free trip to the Bahamas. Spam/scam. Added to block list, reported to donotcall.gov.

received a call from this number

Answered call. No one there

Recd call from 415-523-7625. No message left. Number is now blocked. Reported to FTC

When I answered I hear, "Hello, this is Cindy from Florida Giveaway, can you hear me?" .. I said a two word phrase and hung up.