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How to Block Unwanted Names on WhatsApp

Smartphone Displays WhatsApp Logo and Text
Usernames Are Coming to WhatsApp Photo: picture alliance / imageBROKER | Mojahid Mottakin
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Adrian Mühlroth

June 30, 2026, 1:38 pm | Read time: 3 minutes

Since the launch of the messenger in 2009, a phone number has been required to use WhatsApp. This not only makes changing numbers unnecessarily complicated but also poses a privacy risk. Now, the service is expanding its test run to include the option to reserve the desired username in advance.

Usernames Aim to Make WhatsApp Safer

Since August 2024, WhatsApp has been testing the use of a unique username that is linked to the account instead of the phone number. The advantage of a username over a phone number is clear. Anyone with the correct number can contact a person on WhatsApp without their consent. Additionally, all contacts in the app can access and share your phone number.

This problem is what the username aims to solve. Users gain control over who can contact them on WhatsApp. Besides a unique name, you can also set a key. Even if someone knows the name, they need this key to start a chat.

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How to Reserve Your Username

To keep your phone number private, users must choose a username. To ensure a smooth transition, the messenger now allows you to reserve your preferred name in advance.

WhatsApp notifies users of this option with a new message in the chat overview:

Reserve WhatsApp Username Step 1

The link directly starts the reservation process. If the message does not appear or suddenly disappears, it can also be started directly through the settings.

1. Open WhatsApp settings, select “Account,” and click on the new option “Username.”

Reserve WhatsApp Username Step 2

2. On the information page, you now have the option to create a new username. Alternatively, you can directly select your Instagram or Facebook username. We choose “Create Username.”

Reserve WhatsApp Username Step 3

3. In the next step, you can check if your preferred name is still available. Simply enter it, and WhatsApp will automatically check. Then click “Next” to proceed to the next window.

Reserve WhatsApp Username Step 4

4. Here, Meta wants to consolidate all accounts–Instagram, Facebook, and WhatsApp–in one overview. However, you do not have to allow this and can undo the consolidation at any time.

Reserve WhatsApp Username Step 5

5. Regardless of what you choose, the reservation is complete and can be closed with a click on “Next.”

Reserve WhatsApp Username Step 6

Fairness in Choosing WhatsApp Usernames

By allowing advance reservation, WhatsApp aims to ensure fairness when launching the new feature. Due to beta tests and multiple app versions in circulation, users are rarely on the same page regarding new features. Without the option to reserve, some users would have early access and could claim popular usernames for themselves.

The actual introduction of usernames in WhatsApp is set to be implemented gradually and on a country-by-country basis in the coming months. Users will receive a notification when it is time.

This article is a machine translation of the original German version of TECHBOOK and has been reviewed for accuracy and quality by a native speaker. For feedback, please contact us at info@techbook.de.

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