To change your phone number, follow these steps:
1) Click "My Account" in the top menu, and select "My Contact Details"
2) To the right of the phone number you wish to edit, you will see an image of a cell
phone with a pencil on it (under the word 'Edit')- click the image
3) The "Edit Phone Number" section will open up - you can choose the type of phone
number, edit the actual number, and make it your default number, display it for
the public, or make it an alert number
4) When you are finished making changes, click on the green "Update Details" button
5) You should see a message that says:
- The phone number was successfully updated.
- The main contact information has been updated.