Who called from 9124806431

just got a text  from this number said hi, I texted back hi, they said add me too yahhoo IM, I said why? then they said sorry low battery.

i received a text from this number that knew my first name.  they responded back with their Y! IM name.  ID was victoriawoman2.  next response was sorry, i have no reception

same thing with me too except mine was yesterday and it was a different IM name but knew my first name....not cool

Same thing, except number was 847-278-4937
He/She knew my first name, said hi. Told me to add them to yahoo msngr, arianaflirter96
She then texted, sorry no reception
I followed them to yahoo, but they were not online.
Found this page and basically told them to eff off.
I figure its some sort of bot that got our phone # and name, maybe facebook? or any of the million other forms ive filled out. probably will now be sold to solicitors.
who knows.

same with me, but from number 219-544-3101