In April 2021, over 500 million Facebook user telephone numbers were made freely available for download. The records contain the telephone number and name of the Facebook user. Some of the records contain additional information such as gender, date of birth, relationship status, email address and location information. This tool allows you to lookup your telephone number to see if it is part of the breach. Only numbers in the area codes 915 and 575 are available in this tool. Go to the help page for more details about the data breach and this tool.