How do you change your cell phone number?

I just need the last four digit of my number changed because one of my ex friend put my number up on craiglist LOL and now older horny men keep calling me for blowjobs. I ignore but they just keep calling -_____-



SO... will it cost money to change it?

I HAVE A GOOD REASON TO!!How do you change your cell phone number?
Your service provider will change your number for a fee. You cannot change it for free. Good LuckHow do you change your cell phone number?
you must call your cell phone company and they should help you with that