That's known as 'call-barring' - different operators have different methods and levels available.
I think you can't
It is not WikiAnswers policy to allow phone numbers to be posted
There are a few services which allow individuals to find phone numbers online. The White Pages online, Switch Board, and People Finders allow individuals to locate phone numbers online.
SM Entertainment does not allow phone numbers to be out in the public, nor does any other company, so their phone numbers are completely unknown.
WikiAnswers does not allow personal information such as celebrity's phone numbers to be handed out.
All of them have phone numbers, but there are certain ways to get them. I would try looking up "how to get all gym leader's phone numbers in heartgold" on google
YES! Justin Beiber did it!
There are apps that allow you to dial phone numbers
This particular phone does not provide the blocking feature. If you were referring to blocking a certain phone number or group of numbers from calling your phone. there are other phones that allow you to put numbers, names, calller ID entries (like Private, Block Number, Unavailable) on a list to prevent them from accessing your line, when the person calls, it goes immediately to the voice mail. Sorry, the Sanyo SCP 2700 does not have this feature.
Telephones now have memory storage. You can generally add many phone numbers to the memory. As to what numbers, add emergency contacts, your friends, and frequently called numbers.
HI, ya its called a firefly from verison. It only has bout 6-7 buttons, 911, 4 numbers , talk and end buttons its small and green
Phone numbers - including most cell phones - are available on certain public records, thus they are publicly available. It is, however, possible to have unpublished numbers that will not be available to the public.