To buy an Onoff number, open the left panel in the side menu ☰ at the top left of your screen, then select "Get a new number."
Select the country of your choice as well as its category (Standard Numbers or VIP Numbers)
(Depending on our offer in some countries, some categories may not be available)
Then choose a number from the list (you can use the search tool) and the subscription duration.
Click "Buy" or "Subscribe" and continue until you get your Onoff number.