For the millionth time. No. S does not mean in store. Why? Because my order number begins with "S" and ordered online. What it does mean is that you used JUMP to order your phone.
I received the information from a Loyalty Deparmenf rep, they're way higher than regular CS. Heck, i called midnight EST and she was in Washington so they were PST, I didn't receive that info from some misinformed 2nd hand CS rep outsourced to another country. Haha