Can I use a prepaid sim card or at&t prepaid minute cards for my iPhone?

I don't have the money to sign up for a 2 year at%26amp;t contract at 69.99 a month for the iphone 3g so can I use a prepaid sim card or at%26amp;t prepaid minute card for it?

Can I use a prepaid sim card or at%26amp;t prepaid minute cards for my iPhone?
nope.. instead gomfor these 3 phones if u like sliders..











Samsung A737 - 139$ - Pay as you go:yes


Samsung D807 - 200-300$ - Pay as you go:yes


Samsung U700 - 250$ - Pay as you go:yes
Reply:no you can't and you cant unlock it because this time att activates it in store so people dont unlock it.so you have to sign for 2 years
Reply:I'm sorry, you can not use a prepaid sim card for an iphone 3g. There are still many other good phones you can use that are prepaid.
Reply:no but you can with the regular Iphone. If your going to buy a regular phone and put the prepaid SIM card into it i recommend the tilt. My friend has one and its awesome
Reply:No.