Longwood Inc. Matt at Longwood Inc. Scam call from Craigs list Ad Internet

Matt from Longwood Inc. left me a message on my phone. The call came in as Unavailable. He left a message stating that he saw my ad on the internet. He said he has been trying to get in touch with me "a couple times now" . (This was the first call I've received). Matt claims that he can help me "put my car in front of people who want to buy it" for a small fee. He says that with my particular car he can "back that with a guarantee". He told me to call him at 866-326-9921. He wanted to let me know that "Longwood Inc. helps people who haven't had success with traditional online selling to get their cars sold."