This number is some kind of scam, as the ID shows Unknown name but if you recall it is not a working number.  Telemarketer scam junk.  Hopefully someday the phone companies will force them to put a special code on the phone where you can get $ 50,000 if the caller is a telemarketer who you did not give permission to call your phone.  Only then will these crank calls be stopped, as if the company gets fined and caller gets fired then this cxxp will stop bothering normal people.