Verizon doesn't use SIM cards, so the Verizon iPhones presumably don't. All AT&T iPhones have a SIM card, though.
no they are not
iPhones need a SIM card to work as a phone. If you don't have a SIM card you can use it as an iTouch.
There are some iphones that do have dual sim cards.
Yes you can ring on any sort of Iphones. But only if they have signal and a sim card inserted.
all you have to is put your sim card into it and wait a few seconds and it will read your sim card.
Yes, iPhones use a normal sim card.
well...the iPhone will work but not the SIM card..
Yes, they most definitely do.
Zum Aktivieren des iPhones gültige SIM-Karte ohne PIN-Schutz einlegen. Insert valid SIM card without PIN protection before activating the iPhone.
Yes all iPhone have SIM cards although they are called micro sims (the gold chip only)
Yes the iphone 4 uses whats called a micro sim card it is smaller then the regular sim card out there. At www. phonetraderonline.com they can custom cut your existing sim card or provide you with a micro sim for your carrier.