Account Creation and Recovery: Twitter may use a phone number to create an account and to help recover your account if you forget your password.
Two-Factor Authentication (2FA): You can add your phone number for extra security. Twitter will send a code to your phone when there's a login attempt from a device it doesn't recognize.
Finding Connections: If you allow Twitter to access your contacts, it can use phone numbers to suggest accounts you might know.
Search (Limited): While Twitter doesn't offer a direct search by phone number, if someone has linked their phone number to their account and hasn't adjusted their privacy settings, they might appear in suggestions or if someone has their number saved in their contacts and allows contact syncing. Some third-party "reverse phone number lookup services" might also attempt to link phone numbers to Twitter accounts.
Advertising: Twitter (now X) may use the phone number you provide to show you more relevant ads and to measure and improve ads.
Notifications: Twitter may send SMS notifications about your account activity.
Verification: Twitter may require gambling data mexico phone number phone number verification to enhance security and ensure account authenticity, especially for features like subscribing to X Premium.
Privacy Settings for Phone Numbers on Twitter:
Users have control over the visibility of their phone numbers on their Twitter profiles and how others can find them using their phone number in the "Privacy and safety" settings, specifically under "Discoverability and contacts". You can disable the option "Let people who have your phone number find you on Twitter".
It's important to be aware that Twitter has experienced data leaks in the past where users' information, including phone numbers and email addresses, may have been exposed.
Therefore, a database of Twitter users' phone numbers is not publicly available, and obtaining it would likely involve violating privacy laws and the platform's terms of service.