No.
For both requests, just stop by your local Customer Service Office. Upon activation of services, you will be issued the equipment needed to start service. To inactivate your Americable service, you must return all equipment and settle your balance with a Customer Service Representative.
Our Yokosuka, Atsugi and Sasebo office hours are Weekdays 0730-1630
Our Iwakuni office hours are Monday through Saturday 0730-1630