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

WhatsApp is set to replace phone numbers with usernames. Here’s what the update means, how it works, and when it’s expected ...

WhatsApp is experimenting with a notable privacy upgrade: ability for users to set custom usernames so that their numbers ...

WhatsApp is rolling out the ability for account holders to create unique@username handles, marking a significant shift beyond ...

WhatsApp Business empowers companies to connect with customers through a platform already installed on billions of devices worldwide. For businesses seeking professional communication without hardware ...

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