To get contacted on FB marketplace, you have to click on themarketplace on the upper left corner. Then you need to click on the selling on the upper left corner. After that, you need to tap on the message between you & your buyer. When you have already marked on the listing, then you need to join FacebookCustomer Service1-833-293-8333. More info=https://www.customercare-email.net/facebook-customer-service/