Before 2022, you couldn't send WhatsApp messages without saving a number. But now, there are a number of ways to send message on WhatsApp without saving a number.

Here's how you can message a person or a business on WhatsApp without first adding their number to your contacts.

But on the hardware level, the basic steps vary depending on your device. How to hide your number on iOS To block your phone number on your iPhone, you'll want to follow these steps.