Does sprint have a sim card?

I was wondering if sprint have a sim card? And if they don't have a sim card how does the phone work lol...plz answer me, someone educate me.

no sim card, which kinda sucks

oh and not to be a stupid advertiser if you want, could you answer my question?

http://answers.yahoo.com/question/index;_ylt=AiKOtG5YWecZAiwzzlQV.JDsy6IX;_ylv=3?qid=20080127204958AAaPuL9

No, they use CDMA technology.

The only carriers in the US that use sim cards are AT&T/Cingular and T-Mobile.