What happens to my Virgin Mobile phone if I dont pay the bill? HEEEEEELP!!!?

PLEEEEEEEEEEEAAAAAAAAASE!!!! I NEED HELP!!!! Ok my phone is due on the 2nd of every month but I went to my dads and todays date is may 31st so i have 2 days to renew it. but i cant because my dad or stepmom doesnt have the money to get me the card and im scared that if i dont pay it on time like my number will no longer exist and i wont be able to use my phone any more if this is true PLEEEEEEEEEEEASE!!! TELL ME SOON!! IM STRESSING OUT!! I cant afford a new phone and i just need to know please!!!! HEEEELP!!!