Quick Answer: Your WhatsApp number is the same as your mobile phone number. To view the phone number associated with your WhatsApp account, tap on your profile picture or name, and your number is listed under your About info.
Your WhatsApp number and account are tied to the phone number used during registration. However, it’s possible that you could forget which number is tied to your account.
And since there’s no WhatsApp number lookup tool, you’ll have to use various…