Who called from 7043237214

Textieflirt spamming my phone with requests to add them on Yahoo messenger

Txtflirter850: hey ___ you there? Have not heard from u in a while.
Me: Who is this?
Txtflirter850: Lol if you wanna know who this is u gotta add me  on Y! messenger. my name is txtflirter   850
Me: No thanks.
Txtflirter850: hey my cell is about to die. just talk to me on Y! ;-) 
Me: No thanks.

How did he or she get my number and know my name!!!! She told me to add textieflirter73

Got it call from this number . Caller knew my name. said she hadn't heard from me  in awhile. Said if this is a woman, to send me a naked picture so I know who it was.  She said get on yahoo messenger to find out .Told the spammers there must b plenty of idiots out there if they actually listen to what she says to do ..... I was surprised when she texted me back and said yes, there are

Text message from this number. Knew my name and said he hadn't heard from me awhile. When I asked who it was he told me that if I wanted to know I needed to add his number. So I googled it and found this website with other people saying they received the same messages from this number.