Your username –– also known as your handle –– begins with the “@” symbol, is unique to your account, and appears in your profile URL. Your username is used to log in to your account, and is visible when sending and receiving replies and Direct Messages. People can also search for you by your username.
- Your username must be more than 4 characters long and can be up to 15 characters or less.
- Your username can contain only letters, numbers, and underscores—no spaces are allowed.
- Your display name can be up to 50 characters long.
How to change your username
Navigate to Settings and privacy and tap Account.
Tap Username and update the username currently listed in the Username field. If the username is taken, you'll be prompted to choose another one.
Tap Done.