Question: Can you roam internationally (south america) if you have the even more plus plan (the one that doesn't require a contract)? I'm on the website and it is giving me the opportunity to select the WorldClass International Service. In the fine print it says "Additional credit approval required." So am I to understand that I can roam internationally without a contract so long as they have my credit info? I'm just a bit skeptical that you would be able to roam beyond North America without some type of contract because of the significant delays that can occur when reporting roaming info between carriers. I called t-mobile customer service in hopes of getting an answer but the CS rep didn't sound too convincing to say the least. Nice lady though.