A man called me from this number asking if I was going to be home to "deliver some legal documents." It sounded too fishy for someone to ask when I'll be home. I hung up on them.

I have no idea who this is. I called it back because and a recording said the number or code I entered is invalid or something along those lines. Obviously a real number cannot start with a "0", so I have no idea who it is, but I blocked them (Sprint allows the blocking of 10-digit numbers).

Same thing happened to us.  Caller I'd showed that number w/o an area code and "name not found".  Answered and the guy said: this is so and so, I have a legal document to deliver to you tomorrow.  Will you be home between the hours of .....?". We hung up.  We thought it sounded to suspicious as well.  He called back today, but we did not answer.  We will block the number too.

I forgot to mention, we live in 816 area code.  It looks these other people live in a different area code.

I forgot to mention, we live in 816 area code.  It looks these other people live in a different area code.