How to Add Someone's Phone Number to Your Contacts on Gmail. ... You can fill in additional details about the person if you wish, such as adding a phone number to the account for easy reference.

To change your phone number in Gmail, access your account settings in the app or on the Gmail website. S3studio/Getty Images 2020-03-06T18:23:00Z ...

The vCard file stores all contact details, including name, phone numbers, postal address, email addresses and Web pages. ... Gmail also offers the CSV file format for exporting contacts.