Add a number
From the menus, select Settings > Security settings > Call restrictions.
Enter your security code; then select OK.
Select Restrict outgoing calls > Add restriction.
At the number prompt, enter the number you want to restrict, and select OK.
For example, if you want to restrict all long distance calls that begin with 1, enter 1. If
you want to restrict all calls that begin with 972, enter 972.
Enter a name for the restriction and select OK.
If you select OK without entering a name, the number will be used.