Originally Posted by Imaginos
Go to a Sprint store with your mom and do a TOL (transfer of liability) to your name and the billing + ownership will be all yours. From there on, it will be reportable against your credit history. Win/win.
Cool I didn't realize that cell phone bills build credit history. Since I'm on auto payment I've never had a late bill, so that probably helps.
Also once your contract is up, your plan should continue indefinitely, unless you personally switch the plan yourself.