palm treo 680 at&T help

[Splyex]

does anyone have this kind of phone i bought it off a friend and thought i could use a sim card for it but it was contract only. So i was wondering how much would if cost for only unltd txting and minutes? andy maybe with internet and email maybe... so does anyone know how much would it cost?

[Thalamast]

i pay 50$ a month but its with verizon

400 minutes, unlim text, unlim internet