How to change the Gmail phone number on PC?

To change a phone number on Gmail, open a web browser, and sign in to Gmail. Choose your account photo and then, choose manage your Google Account and choose Personal info appears from the menu on the left. Now, scroll down to the section titled contact info or just dial +44-800-368-9067 to get connected with the technical experts for instant and reliable assistance.
http://www.gmailhelpline.co.uk/