Requirements for WhatsApp User Names (2025)

Although it does not seem, for years WhatsApp suffered from a privacy problem that was in view of all: your user was your phone number, without exception. Anyone could use it to look for you on other platforms where I was registered, to doxearto bother you with spam or even try to cheat you.

Luckily, for some time this changed and WhatsApp finally went to user namesas in Telegram and other rival apps. The result? Greater privacy and a way to easily find your friends.

However, do not think you can put any name, because there are limits and surely they are the ones that brought you here. What are they? Let’s talk about that, because we will tell you The requirements to choose a username on WhatsApp.

WhatsApp requirements to choose a valid username, avoid repetitions or identities usurpations

As in any platform where an identifier (of any type) is used the main rule is one: that two users do not have the same id, since this would bring problems and generate confusion. However, some additional rules are also established by security and to reduce identity usurpations.

In WhatsApp is no different, especially because it is a gigantic application and with millions of users in the world. What are the requirements that Meta demands to meet? If you like Choose your username on WhatsApp, These are the rules of the game:

• You can’t choose a username that matches another existing.
• The username must have between 3 and 30 extension characters.
• The username must have At least one letter In all its extension.
• They are only allowed Lyrics (AZ), numbers (0 to 9), points (.) and low scripts (_).
• Related to the above, The use of any other special character is excluded.
• User names They can’t start with ‘www’.
• User names They cannot end with a domain (.com, .gov, .net, etc.).
• No username can start or finish with a point (.).
• No username can have two or more points in a row.

If you meet all of them, you can assign the username That you have chosen. Now, if you still don’t have your username at WhatsApp, better than you run to choose it. Among many millions of users, someone could take the one you want before you.

And if you ask you: No, it is not mandatory to select a username In whatsapp, At least for now. When writing this article, you could continue using your phone number as a user on WhatsApp, so you can choose.

However, a username will always be more comfortable and surely, instead of your phone number being rolling everywhere.