same SMS msg as well. It says to text STOP to opt out... My question is how they found my # in the first place.

I got that same annoying spam.  You can block them from future spam.  Here is a NY times article: http://pogue.blogs.nytimes.com/2008/06/12/how-to-block-cellphone-spam/

It's a little old, but sprint does block as well, contrary to what the article says.  Hope it helps!

I thought Cell phone spam was illegal !!!

I received a text message from (702) 542-4402 regarding a payday loan from  www.YourCheckAdvanced.com.