Can I block a number on mci phone service?

I have the prepaid cellphone service net10 and I was wondering how to block a person's number with that service?

How do I block a cell phone number from calling me on my cell phone

I need directions on how to block a specific cell phone number from calling my cell phone.

I blocked someones phone number from my buddy list on aim. will they be able to aim me even if I have them blocked? and will ...

There is this girl at my school that somehow got my cell phone number. I need help, I want to know how to block phone calls f...

how to block my cellphone number through in computer?

It doesn't work...just get a recording stating "we're sorry we can not accept your call as dialed"

just wanna know how to block the number because whoever is calling is doing so under restricted.

how do you block cell phone numbers

Hey how do you block numbers on a cingular at&t cell phone? Please help me. So I have no more harrasments!! Please. Thank you.