Enter your phone number when directed, along with the country code.
If your phone number is linked to a Twitter account, we'll send your phone a text message containing a verification code. Use this code to confirm that the mobile number belongs to you.
On the following page, Twitter will ask you to complete your Twitter profile. Your username will already be filled in. That username belongs to the same account your phone is tied to.
If your number is connected to an account and you've already logged in on twitter.com before, the steps above will prompt you to log in with your username and email instead. Recover a lost password here.
If your mobile number is not connected to any Twitter accounts, you'll see an error message. Sign up for a new account here.