Need help on sprint

[BcardiFred]

does anyone know how to reprogram the phone, like when they tell u type in example . ### and sum other numbers then they ask u to type in your nmber? i went to sprint got my phone exchanged except idiot put down wrong numberr under the programming so when i dial my voice ail by pressing 1 it calls the other prsons number rather than my voice mail same for the new cab for picture mail i send from my phone except the person(s) i send to gets the other persons number as they sent it not my number which actually sent the dayum pict. dont wanna go to sprint cause we know how long things would take there and not upto reinstalling origial sprint rom back on just for this