When Should You Get Your Kid a Phone? It's not just a question of the right age.
From Child Mind Institute:
It’s a rite of passage for parents of tweens: By the time your child is 10 or 12, she decides that she must have a cell phone, because if she can’t text and talk to her friends her social life will be “ruined.” You may be skeptical about that, but the idea has some appeal to you, too: As she begins to become independent, you want to be able to keep in touch with her, especially if she has started traveling alone.
Click here to read the article by Danielle Cohen