Buying Old Gmail Accounts. l accounts without a number. When you need your phone number to save a social account but you don’t have one, let’s say you need a Facebook account. You can use it without a phone number, or you can open an account with a Gmail account. You can save the accounts according to your security so that later, if you have a Gmail account, you can save it very easily, and then you can use it in your social account by logging in later