Just recieved a call from this number, did not identify themselves, however they asked for people who I did not know. When I said it was my private line, and I did not know who they were, the man apologized and said they must have the wrong number. Now time to see whether or not they believe me, or whether or not they think I'm someone I'm not and begin harrassing me.
Unless someone is using this number for multiple business, they are not a debt collection service. They are actually an overzealous home improvement company (roofs, windows) that goes door to door, and then pesters you forever if you are not interested in their services. LOL.