My mom texted me yesterday because she received the same thing and thought it was very strange. Here was the text convo.

hello Sue you there?? Have not heard from you in a while.

Who are you looking for??
And who is this?

Lol if u wanna know who this is u got to add me on yahoo msger, my name is textiewoman334

I don't know who you r trying to reach but I don't do yahoo messenger. Lose this #. Especially if I don't know u

hey my cell is gonna die. just talk to me on yahoo ;-)