You can change your phone number on WhatsApp whether you're still using the same phone, or you're using a new phone.

You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

WhatsApp is gearing up to roll out a major update that could change how users connect on the platform. Soon, users will be able to choose a unique username, eliminating the need to share phone numbers ...