Originally Posted by celloville

I will be going to Sao Paulo, Brazil mid-July this summer and am looking for a prepaid SIM to use while there. I've seen a few on the net but those seem to be geared towards users in Rio de Janeiro. Ideally I'd like one that would get me a local number in Sao Paulo and the ability to call back to the US at a reasonable rate. My hunch is that there are some to be had once I arrive in Brazil but it would be nice to get one in advance.