Where will the Display name show to the end user? Kauntal Patel February 23, 2020 08:08 Updated Your Display name will show differently to your end users depending on whether your account is a Business account or Official business account. Read more Related articles How to change my business display picture? Why can't I use a number which is already using WhatsApp? I read that WhatsApp does allow that. What is the limit of message that can be sent? Why is a Display name required? I am unable to add phone number on the UI it says - "Phone Number is already in use. Try using a phone number that isn't connected to a WhatsApp account." What should i do? Comments 0 comments Please sign in to leave a comment.