my crony only got a brand new phone so shes giving me her aged one. ive got an att prepaid gophone (lg neon, which sucks) as well as i wish to put my sim label in to a samsung blackjack. is which possible? will it still be prepaid?

Related solution post:

1. Can I use my SIM card from my GoPhone in another ATT phone?
2. Can I buy a contract phone, and use a prepaid SiM on att?
3. att go phone sim locked to phone, i want it in my iphone 3g?
4. if i get a gophone $10 off of att store online, can i use the sim card to put in my new phone ?
5. if i get a gophone $10 off of att store online, can i use the sim card to put in my new phone ?