As of date i am pretty sure the 3g is unlockable best advice i can give you http://www.modmyi.com/ for all your iphone needs thats where go and it is awesome.

if you get your hands on a iphone 2g http://www.iclarified.com/entry/index.php?enid=1880

is the easiest guild i have found to date for unlocking 2.1


good luck and if you have any questions let me know

Hey, i am getting an iphone 3G, how do I unlock it?

it wont let me looka t the page?

Woot! Android scavenger hunt! You know you wanna!! http://androidcommunity.com/forums/f...week-1-a-5567/