Originally Posted by BenSenise

i use AT&T paygo but it's a normal size sim since they won't sell anything for the iphone on prepay, including data.
so i cut the sim down which is easy (did it in the rental car parking lot with my swiss army knife.).

you need to go to unlockit.co.nz while on wifi to install a new profile. follow their instructions. easy.

no other companies in the us are on the same GSM bands so att is your only choice as far as i know.