With the recent Facebook data leak news, now you can check check if your mobile number is included in the leak.
Have I Been Pwned allows you to search across multiple data breaches to see if your email address or phone number has been compromised. Head over to https://haveibeenpwned.com/ Type your mobile number and include your country code
If your mobile number is found in the leaked database you should see following result.
If your number is not in the leaked database you should see following result.