To find your WhatsApp number, launch the app, select Settings, and then touch on your profile image or name at the top. Your phone number will appear there. The technique is the same for iPhones and Android smartphones.
Your WhatsApp number is the mobile phone number you used to register the account. To find it within the app, go to Settings, then tap on your Profile Picture/Name at the top. Your registered number will be displayed there.
To find your WhatsApp number, open WhatsApp and go to Settings (or Menu > Settings on Android). Tap your profile name at the top, and your registered phone number will appear under your account details. Make sure you’re viewing the correct profile if you use multiple accounts or devices.
Open WhatsApp, and go to whatsapp settings (where three dots or gear should be tapped) and tap on your profile (you will see your phone number there (you can edit it under Account Change number))
To find your WhatsApp number, open WhatsApp → go to Settings → tap your profile name/photo at the top → your phone number will appear under your account details.