Is gettin a new blackberry curve virgin mobile going to change my #?

okay so im goin to be on vacations from school nd my dad said he will buy me a new fone the one i ask on thequestion if i get straight A's i already have but he told me it might change my # because i want it with unlimeted web nd txt with 300 mins to call only 25$ a month but is it going to change my # i already have i have a android LS670 with sprint