WhatsApp replaces the cell phone number as a public ID. Meta Messenger will launch a comprehensive username system in 2026. It is intended to strengthen the privacy of over two billion users.
The biggest architectural change since its founding
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The announcement marks a turning point for the world’s most popular messenger. After years of development and testing, the feature is scheduled to be rolled out worldwide in 2026. It turns the fundamental way users are found and contacted on its head.
Until now, the personal cell phone number was the central public key. In the future, users will be able to create a unique Usernames choose. This then serves as the address for new chats and calls. The cell phone number is only required to verify the account.
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This is how the new usernames work
The system is designed as a “privacy-focused modernization.” The setup is optional. If you like, you can still only be reached by number.
There are clear rules when choosing a name:
* Long: Between 3 and 30 characters.
* Allowed characters: Lowercase letters, numbers, periods and underscores.
* Verboten: Names that start with “www” or end with “.com” – to avoid confusion with web addresses.
Users should be able to reserve their desired name early on. This is intended to prevent a chaotic rush like on other platforms.
More security for private users and companies
The advantages are many. Individuals can chat more securely in online markets, communities or with new acquaintances without revealing their private number. This protects against spam and harassment.
For Millions of companies the change is a big step. You get a recognizable, trustworthy brand address. Meta already advises companies on changing their workflows.
In the background, a new system ensures Business-Scoped User IDs (BSUID)for secure communication. The customer numbers remain private. June 2026 is the deadline for all business customers who use the WhatsApp API.
WhatsApp is catching up in the privacy race
With this step, WhatsApp is moving in line with competitors like Telegram and Signal even. They have been offering usernames as a core feature for a long time – and are successfully wooing data-conscious users.
The technical implementation was complex. According to reports, parts of the infrastructure had to be fundamentally rebuilt. What was important was Meta, the proven one End-to-end encryption not to endanger.
What users can now expect
The rollout is scheduled to take place in stages over 2026. Users will soon be asked to choose and reserve a name in the app’s profile settings.
The era of double identification is dawning: number for verification, name for public interaction. It’s a clear signal at a time when users are demanding more and more control over their digital identity. The way in which contacts are made on the world’s largest messenger will fundamentally change.
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