Do cingular go phones come with sim cards so you can use another phone with the sim card from it?

I'de like to buy a cingular go phone but am wondering if it comes with a sim card that I can put in the razor phone I already have. Any information would be much appreciated. Thank you!

Do cingular go phones come with sim cards so you can use another phone with the sim card from it?
Yes they do. Just bought one.
Reply:most do. you might be able to purchase just the sim card.