Proported to be from Amazon querying a suspected scam iPhone purchase and wanted to initiate a refund. He had my name,, phone no., my email, & last 4 digits of my credit card.

Answered. a foreign lady started muttering something about a courier delivery at which point I slammed down the phone.
Not expecting any deliveries, looks like a foreign call ,from Google researching. Nuisance call ,scam.