Quote Originally Posted by BRITSKI99 View Post
Does your iphone use a SIM card ( dunno if US iphones do as most US phones are rubbish and use a pay card rather than having a SIM card ).
All AT&T phones made in the past 5 years (including the iPhone) use a SIM card and the GSM network. Verizon, the largest US carrier, still uses the CDMA network and phones w/o SIM cards.