Follow the steps below to change your phone number using the app or website:

1. Log in to your account on web or in the app
2. On web, click on the Profile icon followed by Settings. In the app, click on the Profile icon followed by View profile. 
3. Click on the pencil icon next to your phone number
4. Choose your country code and enter your new phone number
5. In the app, click Save and click Change phone number on web