I want to delete my Whatsapp account I don't want to appear on my friend's phone. I want to delete my Whatsapp account. Will my number disappear from my all friend's Whatsapp friend list when I delete my Whatsapp account? Basically, how can I remove my number from everyone's Whatsapp account?
You can delete your whatsapp account through the following steps.


Open WhatsApp.
Press the [Menu Button] => Settings => Account => [Delete My Account].
Enter your phone number in the full international format and tap [Delete My Account].


Please keep in mind that deleting your account is an irreversible process, we cannot undo a deletion if you complete the process by accident.

Goto whatsapp FAQ for more infomation