I got an iPhone without Sim card?

My mom works as a janitor at a school and one of her friends gave her an iphone3g. It was her daughter's. So she gave it to me but the sim card was missing. Can i ask a local cellphone company to give me an unactivated sim card or would i have to pay for one?

If you want to use the phone function, then you need to buy a SIM Card. But if you plan to use it without phone functions, then you do not need a SIM Card at all. You can made use of the Wi-Fi to surf the net and download the apps.

You can get a Pre-paid sim.