Who called from 7047020888

This number; 704-702-0888 texted me using my little sisters name, which is Shelbey (I have no idea how they got her name, she is only 13 and doesn't even have a phone). The conversation went as followed:

704-702-0888: hey Shelbey

Me: Who is this?

704-702-0888: a.dd me on y! msngr .. id is faithgirlie9

Me: Stop texting this number

704-702-0888: oh no i have no signal ;(

END CONVERSATION.

This is the twentieth time I have received a scam text like this within a six month period. The people who use the number know full names of all three of my siblings (Who are all minors and cannot give out legal information).

Got a message using my name, similar to "Abby".  They wouldn't identify themselves.  Creepy.

I got the same thing, they knew my name, told me to add them and then when I asked who it was they lost signal.  Weird.

hey teri

got a "hey christina" (which is my name) message from this number today. i asked them who they were and got no reply.