Default Hide sender number in stock messaging app

Hello guys. I need some help i want to hide mobile number in my stock messaging app. I am using cm11 on galaxy s4.
Let me explain. When i creat a new message and add a contact. It showa his name and number. I want to hide that number. So it only shows contact name and not the number. Handcent sms app have this feature. But i like stock app.
Is it possible.?