On: Releasing everyone's SSN and the hacks used to acq...

[pjot]

There’s less actually. Each state has its own unique 3 digit prefix.

[firesteelrain → pjot]

SSA implemented randomization in 2011 to remove that artificial constraint.

https://www.ssa.gov/employer/randomizationfaqs.html

[SoftTalker → pjot]

I don't think that's true anymore. I was born in the same state as my wife and we have different 3-digit prefixes. But I agree that there are some rules about the different parts of the number that further constrain the theoretical one billion limit.