Facebook hacked? Anyone getting random texts from FB?

I am getting texts like these every few minutes? Is there a vulnerability? Domain is fb.com which means its not phishing. I also had the thought that facebook is sending these out to link users phone numbers to their accounts (tin foil hat).

Click https://fb.com/l/2XXXXXXXXXXq or use the code 2XXX2 on Facebook to create your account

7XXX2 is your Facebook confirmation code #fb