07-30-2013 05:01 AM
Welcome to the BlackBerry Support Community Forums.
Thanks for the question.
Currently this feature is not available in BlackBerry 10. However I would suggest contacting your network service provider to see if they have options to block a number.
Let me know if you have any more questions.
Come follow your BlackBerry Technical Team on Twitter! @BlackBerryHelp
Click Accept as Solution for posts that have solved your issue(s)!