Who called from 4023165095

Received a text from this number...just a HI, with my middle name?

So creepy.... conversation went as follows:
Hi Anna!!!
Hi! Who is this?
Haha If you wanna know add me on Y! msnger. my name is txtgirly6
I don't use messenger

How does someone get your # and full name and text you like that?

Same thing as Anna's post.  We even texted back that "we see you are already under investigation for harassing text messages, have a nice day".  No replies yet.

I also received a text from this number including my name.Wonder what it is?

Hey John?