Viber Out is a calling service offered by Viber for people who want to call non-Viber numbers around the world. With Viber Out, you can call any number (landline or mobile) at low, competitive rates. You can access Viber Out through Viber app. You can also get a number for the United States, Canada, and United Kingdom in Viber, that your friends and family can use to call you as though you are at home, wherever you are in the world.